bbbb bbci bbeb bbrc bcbc bccc bcci bcec bcer bcie bebb bebe bebi beby beci beck beeb beek beer beey beic beik beir beke beki berc bere beri berk berr bery beye beyi beyk bibb bibe bibi bicc bice bici bick bieb bier bike birb bire biri birk birr biry bkcy bkry brcb brce breb brec bree brei brek brer brey bric brie brik brkb brrr bry- brye bryk byce byck byer byik byke byki byre byrk cbbc cbcc cbce cbcr cbec cbee cber cbir cbkr cbre cbry ccbc cccb cccc ccci ccee ccic ccii ccir ccrc ccre ccri cec- cece ceci ceeb ceec ceke cer- cerc cere ceri cery cibc cibe cibi cicc cici cicr ciee cier ciii cikr cirb circ cire ciri cirk cirr ckbc ckbe ckbi ckck ckcy cker ckey ckrc ckry crbc crcc crce crcr cre- creb crec cree crei crib cric crie crik crkc cry- cryb cybb cybc cybi cyc- cycb cycc cyke cyre cyrk cyy- cyyc ebbc ebbr ebby ebcc eber ebic ecbc ecbe eccb eccc ecce ecci ecib ecky ecrc ecri ecrr eeby eeee eeke eerc eery eick eiec eiei eier eike eiki eire eiry ekeb ekek eker ekki erbb erbe ercc erce ereb erec erei erer eric erie erik erke erki errc erre eryc erye eyck eyeb eyec eyer eyey eyik eyir eyke eyre eyry eyyr i-be i-by ibec ibie ibrc ibri ibyi icbc iccb iccc icci iccr icec icee icer icey icke icky icrc icre icrr icry iecc ieie iere ieri iiie iiii iirc ikee iker ikey ikki ikky ikri irbe irby ircc iree irer iri- iric irie iriy irki irrc irre irri iyer iyre k-ci kbbb kbbc kbbe kbbi kbbk kbbr kbcb kbce kbci kbck kbcr kbcy kbeb kbec kbee kbek kber kbey kbib kbic kbie kbik kbiy kbkb kbkk kbkr kbky kbrb kbrc kbre kbri kbrk kbry kbyb kbyi kbyr kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kccy kceb kcec kcee kcei kcey kcic kcie kcii kcir kckc kckk kckr kcky kcrc kcri kcrr kcry kcye kcyk kcyy kebb kebc kebe kebi kebr keck kecr keek keer keib keii keik keir kekb kekc keke keki ker- kerb kerc kere keri kerk kerr keyb keye keyy kibb kibc kibe kibi kibr kiby kicb kicc kice kick kicr kicy kier kiic kiii kiik kikc kiki kikk kikr kirb kirc kiri kirk kirr kiyi kiyk kkbb kkbe kkbi kkbr kkcb kkci kkck kkcr kkcy kkic kkik kkkk kkrb kkrc kkre kkrk kkrr kkyc kkyy krbb krbe krbi krbk krbr krcb krcc krce krci kreb krec kree krei krek krib krik krkc krke krki krkk krkr krky krrb krrc krre krri krrk krrr krry krye kryk kryy kybb kybc kybe kybi kybr kyby kycc kyck kycr kyee kykc kyke kykk kykr kyky kyrc kyre kyrk kyyi kyyk kyyy rbbb rbbr rcbc rccb rccc rcic rcyc rebb rebe rebk recc rece reci reck recr recy reeb reek reii reik reir reke reki reky rere reri rery reye reyk rib- ribe riby ricc rice rick riek rier rike riki rikk rire riri rrrr rybe ryck ryeb ryke ryki yber ybry yccc ycee ycie yeck yeek yeer yeie yeii yeir yeke yeki yerb yere yeri yerk yerr yery yeye yeyi yeyr yike yirb yire yirk yirr ykey yrke yyyy