-ic b-u bbb bbc bbd bbi bbn bbr bbu bcb bcc bcd bci bcn bcr bcu bdb bdc bdd bdi bdr bdu bi- bib bic bid bii bin bir biu bnb bnc bnd bni bnn bnr bnu brb brd bri brn brr bru bub buc bud bui bun bur buu c-- cbb cbc cbd cbi cbn cbr cbu ccb ccc ccd cci ccn ccr ccu cdb cdc cdd cdi cdn cdr cdu ci- cib cic cid cii cin cir ciu cn- cnb cnc cnd cni cnn cnr cnu crb crc crd cri crn crr cru cub cuc cud cui cun cur cuu dbb dbc dbd dbi dbn dbr dbu dcb dcc dcd dci dcn dcr dcu ddb ddc ddd ddi ddn ddr ddu di- dib dic did dii din dir diu dnb dnc dnd dni dnn dnr drb drc drd dri drn drr dru dub duc dud dui dun dur i-d ibb ibc ibd ibi ibn ibr ibu icb icc icd ici icn icr icu idb idc idd idi idn idr idu iib iic iid iii iin iir iiu in- inb inc ind ini inn inr inu ir- irb irc ird iri irn irr iru iu- iub iuc iud iui iur n-i nbb nbc nbd nbi nbn nbr nbu ncb ncc ncd nci ncn ncr ncu ndb ndc ndd ndi ndn ndr ndu nib nic nid nii nin nir niu nnb nnc nni nnn nnu nrb nrc nrd nri nrn nrr nru nub nuc nud nui nun nur nuu rbb rbc rbd rbi rbn rbr rbu rcb rcc rcd rci rcn rcr rcu rdb rdc rdd rdi rdn rdr rdu rib ric rid rii rin rir rnb rnc rnd rni rnn rnr rnu rrb rrc rrd rri rrn rrr rru rub ruc rud rui run rur ruu ubb ubc ubi ubn ubr ubu ucb ucc ucd uci ucn ucr ucu udb udc udd udi udn udr udu uib uic uid uii uin uir uiu un- unb unc und uni unn unr unu ur- urb urc urd uri urn urr uru uuc uun uur uuu

bbbb bbci bbdd bbin bbrc bcbc bccc bcci bcnu bcru bcuc bd-r bdbc bddc bdii bdin bibb bibi bicc bici bidi bidr bidu biin bin- binc bind bini binn binu birb bird biri birn birr biru bnib bnin bnrr brcb bric brid brin brrr bruc brud brun bubb bubi bubu bucc buci bucu budb budd budi budu buic buid buin buir buiu bunb bund buni bunn bunu bur- burb burd buri burn burr buru c-cd cbbc cbcc cbcn cbcr cbcu cbdb cbdc cbdi cbdn cbid cbir cbnd cbrd cbrn ccbc ccbn cccb cccc ccci cccu ccdc ccdi ccdn ccdr ccic ccid ccii ccir ccnb ccnc ccni ccnr ccnu ccrc ccri ccuc cd-r cddb cddr cdic cdii cdnb cdnc cibc cibi cicc cici cicr cicu cidc cidi cidr ciid ciii cin- cinc cind cini cirb circ ciri cirr ciuc cnbc cnci cndd cnib cnic cnid cnrc cnrr crbc crbu crcc crcr crdc crib cric crin criu crub crud crun cub- cubb cubi cucc cuci cucn cudi cui- cuin cuir cund curb curd curi curn curr dbcc dbrn dcbc dccb dccc dcci dccu dcdb dcii dddd ddrc ddub dibb dici didi didu diii din- dinc dini dinn dinu dird dirr dnic dnrc drbc drib dric drin drub drui druu dub- dubb dubc dubu dudd dudu duid duin duir dunc dunn duri durn duru duur ibid ibrc ibrd ibri icbc icbd iccb iccc icci iccn iccr iccu icdc icdd icnb icnc icrc icrr icru icub idcr idic idid idin idir idrc idub idun iicd iiii iirc iiuc inbd incb incd inci incr ind- indc indi indu inid inni innr innu inri inui inun ircc ircd ircu irdc iri- iric irid irin irrc irri irun iucc iuiu n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccr nccu ncdc ncdn ncdr ncdu ncid ncnc ncnd ncrc ncri ndcc nddb ndic ndrc ndri nibi nicc nicd nici nicu nidd nidi niir niiu nind nini niru niur nndb nnnn nrdc nric nrrc nrrd nubc nubi nuci nucu nudc nudd nudi nuin nunc nunn nurc nurd nuri nurn nurr nuru rbbb rbbr rcbc rccb rccc rcdc rcic rcid rcnr rcrd rib- ribu ricc ridc ridd ridi riin rind rinn riri rnbr rndc rnin rrrr rrun rubb rubi rubu ruci rudd rudi ruid ruin runc rund runi runn rurc rurd ruri ruru ruud ruun ubbi ubic ubid ubii ubir ubud ucbc ucci ucdc ucdd ucin ucrc udbc uddi udic udid udin udir udun uirr unbd uncc unci undi uni- unic unii unin unir unni urbi urci urdu urib uric urin uriu urni urri urun urur uuni uuri uuuu

bibic bibin bibri biddu bidin bidni bidri bidur binci bindi bindu binic binub birdu birin birni birun birur bridi brind brini brinn brrrr brud- bruin bruiu bruni brunn bruri bruun bucci bucic bucin bucur buddu budur buici buird buirn bundi bundu bunic bunin bunud bunun burcu burdi buric burin burn- burri burru buruc burud burun ccccc cccii cciii cdiii cibin cibir cincu cindi cindu cinii ciric cirr- cirri cnid- cnnnn cribb crini crnci crnic cruin cubi- cubic cubin cubub cucui cundi cunic cunin curbi curdi curic curri d-cru dccic ddc-i ddddd dibri diddu didin dindi dinic dinur diurn dridu drinn druid druri dubbi dubi dubin dubuc ducic ducun dudin duduc dundi dunic dunin dunun durci durin i-bid ibbur icbrr icici ididn idunn iiiii iiuni inbin inbud incur indi- indic indin indir indri indru indur iniid inini inniu inrun inund inurn irbid ircii irid- irind irinn nduru nibbi nicci niibi niidu ninib ninur nu-nu nucci nuci- nucin nudi- nudur nunni nunun nurin nurri nurun rcirc ribbi ribin ricci ricin ridic ridin rindi rindr rindu rubbi rubid rubin rucci rudic rudin ruiru runcu rundi rundu runic runin ruric u-dub u-n-i u-nii ubirr uinic unbid unbud unccd uncin undid undri undub undun undur unini uninn unnun unnur unric unrid unrun unurn urbic uric- urin- urric urubu urucu ururi uuuuu

bbbbbb bibiri bibiru bidbid biddin bidrun bindii bindin bircii