-er -ic bbb bbc bbe bbi bbk bbo bbr bcb bcc bce bci bck bco bcr bcz be- beb bec bee bei bek beo ber bez bi- bib bic bie bii bik bio bir biz bkb bkc bke bkk bko bkr bob boc boe boi bok boo bor boz brb bre bri brk bro brr brz bze bzo bzr bzz c-- cbb cbc cbe cbi cbk cbo cbr cbz ccb ccc cce cci cck cco ccr ccz ce- ceb cec cee cei cek ceo cer cez ci- cib cic cie cii cik cio cir ckb ckc cki cko co- cob coc coe coi cok coo cor coz crb crc cre cri crk cro crr crz cz- czc cze czk czo ebb ebc ebe ebi ebk ebo ebr ec- ecb ecc ece eci eck eco ecr eeb eec eee eek eeo eer eib eic eie eii eik eio eir ekb ekc eke eki eko ekr eo- eob eoc eoe eoi eok eoo eor erb erc ere eri erk ero err erz eze ezo ezr ezz ibb ibc ibe ibi ibk ibo ibr ibz icb icc ice ici ick ico icr icz ie- iec iee iei iek ier iib iic iie iii iio iir ikb ikc ike iki ikk iko ikr io- iob ioc ioe ioi ioo ior ir- irb irc ire iri irk iro irr ize izi izo izz k-z kbb kbc kbe kbi kbk kbo kbr kbz kcb kcc kce kci kck kcr ke- keb kec kee kei kek keo ker kez kib kic kie kii kik kio kir kiz kkb kkc kke kki kkk kkr kob koc koe koi kok koo kor koz krc kri krk kro krr kzo o-i ob- obb obc obe obi obk obo obr oc- ocb occ oci ock oco ocr ocz oeb oec oee oei oeo oer oib oic oie oii oik oio oir oiz okb okc oke oki okk oko okr oo- oob ooc ooi ook ooo oor or- orb orc ore ori ork oro orr orz oze ozo ozz rbb rbc rbe rbi rbk rbo rbr rcb rcc rce rci rco rcr re- reb rec ree rei rek reo rer rez rib ric rie rii rik rio rir riz rkb rkc rke rkk rko rkz rob roc roe roi rok roo ror roz rrb rrc rri rrk rrr rzb rze rzo zbb zbc zbr zce zco zeb zec zee zek zeo zer zez zib zie zik zio zir ziz zo- zob zoc zoe zoi zok zoo zor zro zzr zzz

bbbb bbci bbeb bbrc bcbc bccc bcci bcec bcer bcie bcor bcoz bebb bebe bebi bebo beci beck beeb beek beer beic beik beir beke beki beko beo- beok beor berc bere beri berk bero berr beze bezi bibb bibe bibi bibo bicc bice bici bick bico bieb bier bike biko bio- bioc bioi birb bire biri birk biro birr bize bizz bobb bobe bobi bobo boce bock boco boec boee boeo boer boi- boie boii boke boki boko boob booc booe book boor booz bor- bore bori bork boro borr borz bozi bozo brcb brce breb brec bree brei brek breo brer brez bric brie brik brio briz brkb brob broc broe brok broo bror broz brrr bzer bzie bzoe bzrk bzzz c-bo cbbc cbcc cbce cbcr cbec cbee cber cbir cbko cbkr cbre ccbc cccb cccc ccci ccee ccic ccii ccir ccob ccoc ccrc ccre ccri cec- cece ceci ceco ceeb ceec ceke ceor cer- cerc cere ceri cero ceze cibc cibe cibi cibo cicc cici cico cicr ciee cier ciez ciii ciko cikr ciob cior cirb circ cire ciri cirk ciro cirr cize ckbc ckbe ckbi ckck ckco cker ckob ckoc ckoi ckoo ckor ckrc cobb cobe cobi cobo coce cock coco coir cok- coke coko coob cook cor- corb corc core cori cork coro corr coze cozi cozz crbc crcc crce crcr crcz cre- creb crec cree crei creo crib cric crie crik crkc crob croc croe crok croo cror croz ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebro ecbc ecbe eccb eccc ecce ecci ecco ecib ecko eco- ecrc ecri ecrr eeee eeke eeoc eerc eero eeze eick eico eiec eiei eier eike eiki eiko eire eizo ekco ekeb ekek eker ekki ekoi eoir eore eori erbb erbe ercc erce ereb erec erei erer erez eric erie erik erio eriz erke erki erob eroc eroe eroi eroo errc erre erro erzi ezek ezer ezio ezri ezzo i-be ibec ibie ibrc ibri ibro icbc iccb iccc icci icco iccr icec icee icer icke icoc icor icrc icre icrr iecc ieie ieio iere ieri iiie iiii iiio iioi iioo iirc ikee iker ikki ikko ikoo ikri iobi ioci ioee ioii ioio ioke ioko iooi iooo iore iori irbe ircc iree irer iri- iric irie irio irki irob iroc irrc irre irri izki izze izzo k-ci kbbb kbbc kbbe kbbi kbbk kbbo kbbr kbbz kbcb kbce kbci kbck kbco kbcr kbcz kbeb kbec kbee kbek kbeo kber kbez kbib kbic kbie kbik kbio kbiz kbkb kbkk kbko kbkr kbkz kbob kboc kboe kboi kbok kboo kboz kbrb kbrc kbre kbri kbrk kbro kbrz kbzc kbze kbzi kbzo kbzz kcbc kcbi kcbk kcbr kccb kccc kcci kcck kccr kceb kcec kcee kcei kceo kcez kcic kcie kcii kcir kckc kckk kcko kckr kckz kcob kcoe kcor kcoz kcrc kcri kcro kcrr kcrz kcze kczo kczz kebb kebc kebe kebi kebr keck keco kecr keek keer keib keii keik keio keir kekb kekc keke keki keko keok ker- kerb kerc kere keri kerk kero kerr kerz kezb keze kezi kezr kezz kibb kibc kibe kibi kibo kibr kibz kicb kicc kice kick kicr kier kiez kiic kiii kiik kikc kiki kikk kiko kikr kikz kioc kioe kioi kiok kioo kioz kirb kirc kiri kirk kiro kirr kizz kkbb kkbe kkbi kkbo kkbr kkbz kkcb kkci kkck kkco kkcr kkez kkic kkik kkkk kkob kkoo kkor kkoz kkrb kkrc kkre kkrk kkro kkrr kkrz kkzz kobb kobc kobe kobi kobk kobo