b-u bbb bbc bbh bbn bbo bbr bbu bcb bcc bch bcn bco bcr bcu bhb bhc bhh bho bhr bhu bnb bnc bnn bno bnr bnu bob boc boh bon boo bor bou brb brh brn bro brr bru bub buc buh bun buo bur buu c-- cbb cbc cbh cbn cbo cbr cbu ccb ccc cch ccn cco ccr ccu ch- chb chc chh chn cho chr chu cn- cnb cnc cnh cnn cno cnr cnu co- cob coc coh con coo cor cou crb crc crh crn cro crr cru cub cuc cuh cun cuo cur cuu hbb hbc hbh hbn hbo hbr hbu hcb hcc hch hcn hco hcr hhb hhc hhh hhn hho hhr hhu hnb hnc hnh hnn hno hnu hob hoc hoh hon hoo hor hou hr- hrb hrc hrh hrn hro hrr hru hub huc huh hun huo hur huu nbb nbc nbn nbo nbr nbu ncb ncc nch ncn nco ncr ncu nhb nhc nhh nhn nhr nhu nnb nnc nnh nnn nno nnu no- nob noc noh non noo nor nou nrb nrc nrn nro nrr nru nub nuc nuh nun nuo nur nuu ob- obb obc obh obn obo obr obu oc- ocb occ och ocn oco ocr ocu ohc ohh ohn oho ohr ohu on- onb onc onh onn ono onr onu oo- oob ooc ooh oon ooo oor or- orb orc orh orn oro orr oru ou- ouc ouh oun ouo our rbb rbc rbh rbn rbo rbr rbu rcb rcc rch rcn rco rcr rcu rh- rhb rhc rhh rhn rho rhr rhu rnb rnc rnh rnn rno rnr rnu rob roc roh ron roo ror rou rrb rrc rrh rrn rrr rru rub ruc ruh run ruo rur ruu ubb ubc ubh ubn ubo ubr ubu ucb ucc uch ucn uco ucr ucu uhb uhc uhh uho uhr uhu un- unb unc unh unn uno unr unu uob uoc uon uoo uor ur- urb urc urn uro urr uru uuc uun uur uuu

-hou bbbb bbch bbrc bcbc bccc bcnu bcor bcru bcuc bhcc bhor bhur bhuu bnoc bnor bnrr bobb bobo bobu boch boco bocu bohn boho bohr bohu bonc bonn bono bonu boob booc booh boon boor bor- borh born boro borr boru bouh boun bour brcb brno brob broc broh bron broo bror brou brrr bruc bruh brun bubb bubo bubu bucc buch buco bucu buho buhr bunb bunn buno bunu buon bur- burb burh burn buro burr buru c-bo cbbc cbcc cbcn cbcr cbcu cbrh cbrn ccbc ccbn cccb cccc cccu cchr ccnb ccnc ccnr ccnu ccob ccoc ccrc ccuc chch chnb chnc chno chnr choc choh chon choo chor chou chrb chrc chrn chro chrr chub chun chur cnbc cnco cnoh cnrc cnrr cobb cobh cobo cobu coch coco cocu cohn coho con- conc conn cono coob cooh coon cor- corb corc corn coro corr coub coun cour crbc crbu crcc crcr crob croc croh cron croo cror crub crun cub- cubb cucc cucn cuno cuon curb curn curo curr hboc hcbc hccb hccc hcch hhhh hobo hoch hocn hocr hohn hoho hono honu hoon hoor horc horn horo horr hour hrob hron hrrc hrun hubb hubo huch hucu huhn huhu hunc hunh huon huor hurn huro hurr huru huub nbbc nbbo nbcc nbco ncbc nccc nccn nccr nccu nchc ncnc ncoc ncor ncrc nhcc nhnn nhon nhrc nnnn nobc nobo nobu noch noco nohn noho non- nonn nono nonu noo- noob noon nooo noor nor- norb norc norn noro norr nouh noun nour nroc nron nrrc nubc nuch nucu nunc nunn nuno nuoc nuon nurc nurn nurr nuru obbo obon obor obrh obro obuh ocbc occc occn ocon ocro ocrr ocur ohcc ohho ohno ohob ohoh ohrn onc- onco onno onon onor onur oocr ooho oooh oooo orbb orbo orbu orch orco ornc orno oro- oron oror orro orub oucc ouch oun- our- ourn ouro ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rhob rhoc rhoh rhon rhun rnbr rnco rob- robb robo robu rocc roch roco rohn rohr rohu ronc rono roob roon roor rorc roro roru roub rouh roun rrrr rrun rubb rubu ruch ruhh ruhn ruhr runc runn runo rurc ruro ruru ruun ubbo uboc ubon ucbc ucho ucon ucrc uhno uhoh uhuh uncc unch unco unno unon unro uocc uor- urch urho uro- uroo urrh urun urur uuno uuoc uuuu

bhoun bhour bo-bo bo-ho boboc bobr bocho bocon bocor bohon bohor bohun bonch bonon bonou booch booco boorn booru borbo borch born- borno bornu boro- boron boroo borou borro borun bouch bourn brobo broch brohn bronc bronn broon broun brrrr bruch bruhn brunn bruno bruun bubon bucco bucho buchu bucur bunch bunco bunun buoch buoho buono burch burcu burn- buron buroo burro burru buruc burun c-cor ccccc choco chono chonu choon choor chor- choro chron chubb chuno chur- churn churr churu cnnnn co-bo co-co cocc- cocco cocon cocur cohob cohon cohoo conch conco concr connu cono- conob conon conor cooch corbo corbu corno cornu coro- coron corun couch couco courb couru croco crohn croon croun cruor cubo- cubub cuhon cunco cuoco curch curno curro h-cho hburn hcooh hhhhh hhour hnnbo ho-ho ho-oh hobor hobro hobub hocco hocon honbu honno honor hooch hoorn horch hornb horno horon horro horru houch hourc hroch hubur hucch hucho hucun huhuh hunch huorn hurcn huron huuru nnooo no-no nobob nobuo nohno nohor non-u nonno nonoh noonu norbu norco noroc noron norro norun nouch nu-nu nucor nuhuh nunch nunon nunun nuoro nurun o-bon o-r-b obhor oboro occur ochro ocorn ocr-b oh-oh ohchr ohorn ohour ohrob onch- onco- onhbo onnbc onoon onorn onour ooooh ooooo orcon ornon orobo oroch oroco orono oruch oruro oucho ouoro ourno r-co- rhbnc rhoon ro-ro robbo robo- robon robor robun robur rocco rocor rocou rohob rohru rohun ronco ronno rorbu rouch rubon rubor ruhnu ruhub runch runcu runo- runon u-con ubobo uchon uchuu uconn uh-oh uh-uh uhhoh uhhuh uhuru uncon uncor unnun unnur unoor