pipp piri pirn piro pirr piru pnin pnon pnpo pnpp pnro pnup pobo pod- podd podi podo podu poid poin poio pond poni pono ponp pood poon poop poor pop- popi popo popp porb pori porn poro porr poud poui poun poup pour ppib ppid ppod pppd pppn pppo pppp ppru ppur pri- prid prii prin prnd prnp pro- prob prod pron proo prop prou prpd prrd prri prud pruu pubu pudo pudu puid puin puir puiu pund puno punu pupi pupu pur- purb puri puro purp purr puru rbbb rbbr rdbp rdio rib- ribo ribu ridd ridi rido riin rind rinn rino rion riou ripd ripi ripp ripr riri rnbr rndp rnin rnod rob- robb robi robo robu rodd rodi rodo roid roin roio roir roiu rond roni rono roob rood rooi roon roop roor ropo rori roro roru roub roud roun roup rpdp rpii rpob rpon rppn rrrr rrun rubb rubi rubp rubu rudd rudi rudo rudp ruid ruin rund runi runn runo rupp rurd ruri ruro rurp ruru ruud ruun u-rp ubbi ubbo ubid ubii ubir ubod ubon ubud uddi udid udin udir udon udoo udop udpd udun uipi uirr unbd undi undo uni- unii unin unio unir unni unno unon unop unro uor- updo upin upnp upon upor uppp uppu upri upup urbi urdu urib urin uriu urni uro- uroo urpo urri urun urup urur uuni uuno uuri uuuu

bdoor bibbo bibin bibio bibod bibri biddu bidin bidni bidon bidor bidri bidup bidur bindi bindo bindu binod binub bipib bipin bipod birdo birdu birin birni biron birou birun birur bo-bo bobbi bobin bobr bobri bobup bodd- bodin bodio bodir bodiu bodni bodor bodri boiro bondi bondo bonin bonio bonon bonou bonud boond boord boorn booru bopin borbo bordi bordo borid borin borio born- borno bornu boro- borod boron boroo borou borro borun borup boudu bouin bound bouni bourd bouri bourn bridi brind brini brinn briod brion briou brobo brodd brodo broid broin brond broni bronn brood broon broud broun brrrr brud- bruin bruiu bruni brunn bruno bruri bruun bubon buddu budur buird buirn bundi bundu bunin bunud bunun buono buord burdi burin burio burn- buron buroo burri burro burru burud burun d-rod ddddd dibri diddu didin didio didno didon didup diino diiop dindi dindo dinio dino- dinon dinur dioid dioni diono dioon dioro dipin dipod dipun diurn dnuop do-do dobri dobro dodon dodoo dodro doido doiop donbi dondi dondo donon donor doodo dooin doorn dorid dorin dorio dorno doron dorud douin doupi douro dpond drbob dridu drinn drino drobo droid drood droon droop drop- dropi dropo drori droun droup druid drupi druri dubbi dubbo dubi dubin dubno dubon duddo dudin dudon dudou duino dundi dundo dunin dunno dunod dunun dupin dupri durin durio durno duron i-bid i-bod i-bon i-pin ibbur ibibo ibond iborn iddon ididn idio- idodi idood idoru idron idrop idunn iiiii iiuni inbin inbud indi- indin indio indip indir indo- indor indri indru indur iniid inini inio inio- inion inipi inniu inonu inoor inorb inori inour inrio inrun inund inurn iodid iodin iodo- iono- ioooi ioooo iorio ipini ipour ippon ipubi irbid irid- irido irind irinn irion irobo irono irori irour irpin irupi iunno n-p-n ndour nduru nibbi nidor niibi niidu niiip ninib ninon ninpo ninur niono niopo niord nioro nipin nippo nippu nipri nipro nipup nirop nnooo no-do no-ip no-no no-op nobid nobin nobob nobuo nodi- non-u nondo nonin nonio nonni nonno nonop noonu noord noori nopun norbu nordo norid norin norio noron norro norun nouni nouri nu-nu nudi- nudur nunni nunon nunun nuodb nuoro nupur nurin nurri nurun o-bon o-r-b obion obodo oboro obudu oddup oddur odibo odiid odori odour odrin odudu oduro oidor oino- oinoi oiron onbid onibi onin onion onir- oniro onond onoon onorn onour onpop onrio ooioo oonin ooooo oopod opio- opiod opir opnin opobo opodo oppin oppon ordib ordon ordro oribi oridb orino orion orni- ornon orobo orodo orono oropi orpin orrin oruro oudin oudon ouir- ouoro ourno p-n-p pibor pidun piiri pindi pindo pindu pinid pinin pinn- pinni pinno pinon pinor pinup pipid pippi pippo pipri pirin pirni piron pirou pirri pirro pirui piuri piuro piuru po-on po-po podio podo- podob podor poind poipu pondo ponin ponir ponni ponnu ponor ponup pooid poond poopo poori popin popoi popon popop poppi poppo popup porin porn- porno poro- poroi poron porri porro porur pound pouni priob prion prior probo prodd prodi proin proor prop- propn propp propr proud prudi pruin prun- pruni pruno pubo- pudob pudor pudur puind punbb pundo punoi punon pupin puppo pupri purdi purin purio puro- puuri ribbi ribin ribno ribo- ribon ribup ridin rindi rindr rindu rioni ripio ripon ripup rirpu ro-ro robbi robbo robin robo- robon robop robor robun robur rodbo roddi rodin rodon rodor rodri rondo ronin ronno roodi roodu roond ropid ropin rorbu rorid round rprop rubbi rubid rubin rubio rubon rubor rubup rudin rudno ruino ruiru rundi rundu runin runo- runon runup rupin u-dub u-n-i u-nii u-pop ubirr ubobo udupi uiro unbid unbud undid undri undub undun undur unido unini uninn union unipi unnun unnur unoor unorn unpin unrid unrip unrun unurn up-do upido upnor uppon uprun urdoi urin- uroob uropi urour urpin urubu ururi uuuuu

bbbbbb bibiri bibiru bidbid biddin bidoun bidrun bindii bindin bindup binino biniou binpur bio-in biobor biondi biondo biribi birini birori birpur bobbin bobbio bobino bobiri bobrun boddin bodini bodoni boinn boiron bonbon bondon bonini bonino bonnin bonnor bonobo bononi booboo boondi borbon borbor bordin bordon bordun boridi borino bornin bornon bororo boruni boubou bouddi boudin boudon boudou bounou bourou bribir bribri brinno brioni briord brodin brodno brondi bronin bronno brorup brouin brubru brudno bruino brunii bruron bubbio bubino bubion buborn bububu budini budino budoni budrio bundoo bunion bunpo burbur burdin burdon burdur burion burior buriro burnin burnou burnup burrio burrup bururi ddr-ii dibbin dibdin didion diduni diii-d diiod- diiodo dindin dindoo dindri diodon diodor dionin diorio dioubo dipion dipnoi diuron dnipro dobbin dobi-i dobrin dobron dobrun dododo dodoni dodori dondon donino donoor donori donour doobdi