bbbb bboy bbrc bbyo bcbc bccc bcnu bcor bcru bcuc bnoc bnor bnrr bobb bobo bobu boby boco bocu bonc bonn bono bonu bony boob booc boon boor bor- born boro borr boru bory boun bour bouy boyn boyo brcb brno brob broc bron broo bror brou brrr bruc brun bry- bryn bryo bubb bubo bubu bucc buco bucu bunb bunn buno bunu buon buoy bur- burb burn buro burr buru bury buyo buyu bync byno byob byoc byon byrn byun c-bo cbbc cbcc cbcn cbcr cbcu cbrn cbry ccbc ccbn cccb cccc cccu ccnb ccnc ccnr ccnu ccny ccob ccoc ccrc ccuc cnbc cnco cnrc cnrr cobb cobo cobu coby coco cocu con- conc conn cono cony coob coon cor- corb corc corn coro corr cory coub coun cour couy coyn coyo coyr crbc crbu crcc crcr crob croc cron croo cror croy crub crun cry- cryb cryn cryo cub- cubb cuby cucc cucn cuno cuny cuon curb curn curo curr cury cuy- cuyo cuyr cybb cybc cybo cyc- cycb cycc cyn- cyno cyon cyun cyy- cyyc cyyn nbbc nbbo nbcc nbco nboy ncbc nccc nccn nccr nccu ncnc ncoc ncor ncrc nnnn nobc nobo nobu noco non- nonn nono nonu noo- noob noon nooo noor nor- norb norc norn noro norr nory noun nour noyo nroc nron nrrc nubc nuby nucu nunc nunn nuno nuny nuoc nuon nurc nurn nurr nuru nycc nyco nycy nyny nyon nyrb nyro obbo obby obon obor oboy obro ocbc occc occn ocon ocro ocrr ocur onby onc- onco onno onon onor onoy onur ooby oocr oooo oory orbb orbo orbu orby orco ornc orno orny oro- oron oror oroy orro orry orub oucc oun- our- ourn ouro ouu- ouyr oyon oyou oyun rbbb rbbr rcbc rcbo rccb rccc rcnr rcon rcyc rnbr rnco rob- robb robo robu roby rocc roco ronc rono rony roob roon roor rorc roro roru rory roub roun rouy royn rrrr rrun rubb rubu ruby runc runn runo runy ruoy rurc ruro ruru ruun rynn ryob ryon ryun ubbo uboc ubon ucbc ucon ucrc uncc unco unno unon unro uocc uor- urcy uro- uroo urry urun urur uryn uuno uuoc uuuu uuyn ybor ybry yccc ynon ynou yobo yono yoon yorn yoro yory youb your yoyn yoyo yron yrun yryn yubu yuny yuon yurn yury yuyu yyyy