bbbb bbeb bbet bboy bbpr bbrc bbyo bcbc bcbp bccc bcec bcer bcet bcor bcpp bctc bebb bebe bebo beby beeb beep beer beet beey beo- beor beot bepo berc bere bero berr bert bery betc bete beto bett beye beyt bobb bobe bobo boby boce boco boec boee boeo boep boer boet boey boob booc booe boop boor boot bope bopp bor- bore boro borr bort bory botb bote boto bott boty boye boyo bpcp bpoe bpot bprc brcb brce breb brec bree breo brep brer bret brey brob broc broe broo bror brot brrr brtc bry- brye bryo btbp btcc btec btob btor btrc btrt btry bttb byce byer byob byoc byop byre byrt byte c-bo cbbc cbcc cbce cbcp cbcr cbct cbec cbee cber cbet cbot cbpc cbpp cbre cbrt cbry cbtc cbyt ccbc cccb cccc cccp ccee ccob ccoc ccpe ccpp ccpr ccrc ccre ccrp ccrt cctb cctc cctt cebp cec- cece ceco cecp cect ceeb ceec ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cero cerp cert cery cet- cete ceto cetp cobb cobe cobo coby coce coco cocp coct coep coob coop coot cope copo copp copr copt copy cor- corb corc core coro corp corr cort cory cotb cotc cote coto cott coty coyo coyr coyt cpbc cpce cpeb cpep cper cpre cprt cptp cptr crbc crcc crce crcr cre- creb crec cree creo crep cret crob croc croe croo crop cror crot croy crpc crrt crtc crtp cry- cryb cryo ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp cybb cybc cybo cyc- cycb cycc cypc cyre cyrt cyt- cytb cyte cyto cyy- cyyc ebbc ebbo ebbr ebby ebcc eber eboe eboo ebor eboy ebpo ebro ecbc ecbe eccb eccc ecce ecco ecct eco- ecop ecot ecpp ecrc ecrr ect- ectc ecto eeby eeee eeoc eerc eero eery eetc eete eore eotc eoto epcc epec epee eper epoc epor epot eppc eppo eppp eppy eprb epro eprp epte erbb erbe ercc erce ercp ereb erec erer eret erob eroc eroe eroo erpe errc erre erro eryc erye etbc etbr etcc etco etec etee eter etoe etoy etre etro ette etto etty eyeb eyec eyer eyet eyey eyot eype eyre eyry eyte eyyr o-eo obbo obby obec ober obet obey oboe obor obot oboy obre obro ocbc occc occt oce ocee ocet ocpp ocre ocro ocrr oct- octe octo octy oec- oecc oeec oere oeye oeyo oobe ooby oocr ooer oooo oore oort oory ootb ootp ooty opec opep oper opet opo- opor oppo oppy opry opto opye orbb orbe orbo orby orce orco ore- oreb orec oreo orer orey oro- oroe oror orot oroy orpc orpe orro orry ortc orte orto otee otep oter oto- otoe otoo otor otoy otpp otre otro otry otte otto otyr oyce oyee oyer oyre pbcc pboc pcbc pccc pcce pcep pcer pcoe pcpb pcpp pcrc pcre pcte pece peco pecr pect pecy peec peep peer peet peor pepe pepo per- perc pere pero perp perr pert pery pete peto petr pett pety peyo peyr pobo poce poco poer poet poey poop poor poot pop- popc pope popo popp popt popy porb porc pore poro porr port pory potc pote poto pott poty poyo poyr ppcc pper pppo pppp pprc pptt ppye prbc prcc prcp pre- preb prec pree prep pret prey pro- prob proc proe proo prop prot prtc prtp prtr ptcc pter ptop pttc pyce pyep pyet pyo- pyot pype pypy pyr- pyre pyro pyry pyte pytt rbbb rbbr rcbc rcbo rccb rccc rcep rcet rcpo rcpt rctc rcyc rebb rebe rebo recc rece recp recr rect recy reeb reep reet reop reot repe repo repp repr rept repy rere rero rert rery rete reto retr rett rety reye rob- robb robe robo robt roby rocc roce roco roer roet roey roob roop roor root rope ropo ropy rorc rore roro rort rory rotc rote roto rotr rott roty roye royt rpet rpob rpoe rpyc rrrr rtcc rtce rtee rttp rybe rybp ryeb ryet ryob ryot rype rytt ryyt tbcb tbcc tbce tbrb tbtp tcby tccc tcep tcpo tcpy tctc tebo teco tecr tect teec teer teet teor tepe tepp ter- terc tere tero terp terr tery tete teto tetr tett teye teyr to-y tobe tobo tobt toby toce toco toee toer toet toey toor toot top- tope topo topp topt torc tore toro torp torr tort tory totc tote toto totr tott toty toyb toyo toyt tpcp tper tppp tppr tpte tptp tptr tpyo trcc tre- trec tree treo tret trey troc troe troo trop trot troy trpc trpe trpp trtc trte trtr try- tryb trye tryo tryp ttbb ttcp tteo tter ttoe ttop ttoy tttt tybo tyce tyco tyee tyer tyet typ- type typo typp typy tyr- tyre tyro tyrr tyte tyto tytt tyty yber ybet ybor ybry yccc ycee yctc yeep yeer yeet yeot yepe yepp yerb yere yero yerr yert yery yete yeto yett yeye yeyo yeyr yobo yoop yoot yopo yopy yore yoro yort yory yote yott yoye yoyo ypcc ytre yyyy