bbbb bbch bboy bbrc bbyo bcbc bccc bcor bhcc bhor bhoy bnoc bnor bnrr bobb bobo boby boch boco bohn boho bohr bohy bonc bonn bono bony boob booc booh boon boor bor- borh born boro borr bory boyn boyo brcb brno brob broc broh bron broo bror brrr bry- bryn bryo bych bync byno byob byoc byon byrn c-bo cbbc cbcc cbcn cbcr cbrh cbrn cbry ccbc ccbn cccb cccc cchr cchy ccnb ccnc ccnr ccny ccob ccoc ccrc chch chnb chnc chno chnr choc choh chon choo chor choy chrb chrc chrn chro chrr chy- chyc chyn cnbc cnco cnoh cnrc cnrr cobb cobh cobo coby coch coco cohn coho con- conc conn cono cony coob cooh coon cor- corb corc corn coro corr cory coyn coyo coyr crbc crcc crcr crob croc croh cron croo cror croy cry- cryb cryn cryo cybb cybc cybo cyc- cycb cycc cyn- cyno cyon cyy- cyyc cyyn hboc hcbc hccb hccc hcch hhhh hnny hobo hoby hoch hocn hocr hohn hoho hono hony hoon hoor horc horn horo horr hory hrob hron hrrc hryb hybo hyo- hyon nbbc nbbo nbcc nbco nboy ncbc nccc nccn nccr nchc ncnc ncoc ncor ncrc nhcc nhnn nhon nhrc nnnn nobc nobo noch noco nohn noho non- nonn nono noo- noob noon nooo noor nor- norb norc norn noro norr nory noyo nroc nron nrrc nycc nyco nycy nyny nyon nyrb nyro obbo obby obon obor oboy obrh obro ocbc occc occn ocon ocro ocrr ohcc ohho ohno ohob ohoh ohrn ohyo onby onc- onco onno onon onor onoy ooby oocr ooho oooh oooo oory orbb orbo orby orch orco ornc orno orny oro- oron oror oroy orro orry oych oyon rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcnr rcon rcyc rhob rhoc rhoh rhon rnbr rnco rob- robb robo roby rocc roch roco rohn rohr rohy ronc rono rony roob roon roor rorc roro rory royn rrrr rych ryhb rynn ryob ryoh ryon ybor ybry yccc ycch yhon ynch ynoh ynon yobo yoch yohn yoho yono yoon yorn yoro yory yoyn yoyo yrho yron yryn yyyy