-ene -yne bbbb bbeb bbet bbrc bcbc bccc bcec bcer bcet bctc bebb bebe beby beeb been beer beet beey bene benn bent berc bere bern berr bert bery betc bete bett beye beyn beyt bner bnet bnrr brcb brce breb brec bree bren brer bret brey brrr brtc bry- brye bryn btcc btec bten btrc btrt btry bttb byce byen byer bync byre byrn byrt byte cbbc cbcc cbce cbcn cbcr cbct cbec cbee cber cbet cbre cbrn cbrt cbry cbtc cbyt ccbc ccbn cccb cccc ccee ccnb ccnc ccne ccnr ccny ccrc ccre ccrt cctb cctc cctt cec- cece cect ceeb ceec cen- cene cent ceny cer- cerc cere cern cert cery cet- cete cnbc cnet cnrc cnrr cnrt cntc cntr crbc crcc crce crcr cre- creb crec cree cren cret crne crrt crtc cry- cryb cryn ctec cten ctne ctrc ctrn cttn cybb cybc cyc- cycb cycc cyen cyn- cyne cyre cyrt cyt- cytb cyte cyy- cyyc cyyn ebbc ebbr ebby ebcc eben eber ecbc ecbe eccb eccc ecce ecct ecne ecrc ecrr ect- ectc eeby eeee eent eeny eerc eery eetc eete enb- enbn enbr enby ence ency enee ener eney ennc enne enny enry ent- ente entr enty enye erbb erbe ercc erce ereb erec eren erer eret erne errc erre eryc erye etbc etbr etcc etec etee eten eter etne etnr etre ette ettn etty eyeb eyec eyen eyer eyet eyey eyne eyre eyry eyte eyyr nbbc nbcc nber nbty ncbc nccc nccn nccr ncct ncec ncee ncen ncer ncnc ncrc ncre nctc ncte nctr nebb nebe nebn nebr necc nece necr nect necy neeb neen neer neet nene nent nerc nere nerr nert nery net- netb nete nett neye neyn neyt nnnn nntn nren nrrc ntbc ntcc nter ntrc nttr nycc nyce nycy nyen nyer nyet nyne nynt nyny nyrb nytb nytc nyte rbbb rbbr rcbc rccb rccc rcet rcnr rctc rcyc rebb rebe recc rece recr rect recy reeb reen reet rene renn rent reny rere rert rery rete retr rett rety reye reyn rnbr rnnt rrrr rtcc rtce rtee rybe ryeb ryen ryet ryne rynn rynt rytt ryyt tbcb tbcc tbce tbrb tcby tccc tcnn tctc tecr tect teec teen teer teet tenb tenc tene tenn tent ter- terc tere tern terr tery tete tetr tett teye teyn teyr tnbc tncc tneb trcc tre- trec tree tren tret trey trtc trte trtr try- tryb trye ttbb ttcn tten tter tttt tyce tyee tyen tyer tyet tyne tynt tyny tyr- tyre tyrr tyte tytt tyty tyyn yben yber ybet ybry yccc ycee yctc yeen yeer yeet yenc yene yent yerb yere yern yerr yert yery yete yett yeye yeyr ynce ynet ynne yren yrne yryn ytre yyyy