bbbb bbch bbeb bblb bcbc bccc bccl bcec bche bebb bebe bebo bech beck beeb beek beel beke beko bele belk bell belo beo- beok bhcc bhel bleb blee bleh blek bleo blkb blob bloc blok bloo bobb bobe bobo boce boch bock boco boec boee boel boeo bohl boho boke boko bole bolk boll bolo boob booc booe booh book bool c-bo cbbc cbcc cbce cbcl cbec cbee cbhl cbkl cbko cblb cblc cbol ccbc cccb cccc cccl ccee ccel cche cchl cclc ccob ccoc cec- cece ceco ceeb ceec ceel cehl ceke cel- celc cele cell celo ceol chce chch cheb chec chee cheh chek chel chkb chlc choc choh chok chol choo ckbc ckbe ckch ckck ckcl ckco ckob ckoc ckoo clec clee clek cleo clob cloe clok cloo cobb cobe cobh cobo coce coch cock coco coel coho cok- coke coko col- colb cole colk coll colo coob cooh cook cool e-cl ebbc ebbo ebcc ebel eboe ebol eboo ecbc ecbe eccb eccc ecce eccl ecco eche echl echo ecko eco- ecol eeee eeke eele eeoc ehcc eheh ehel ehle ehlo ekch ekco ekeb ekek ekho el-b elbe elbo elcb elce elch elco elec elee eleh elek eleo elke elko elle ello elok eole eolo hboc hcbc hccb hccc hcch hebb hebe hebo hech heck heeb heek heel hehe heho heke hele helk hell helo hhcl hhhh hkcc hkcl hobe hobo hoce hoch hock hoek hoel hohe hohl hoho hoke hoko hol- holb holc hole holh holk holl holo hooe hook hool k-lo kbbb kbbc kbbe kbbk kbbl kbbo kbcb kbce kbch kbck kbcl kbco kbeb kbec kbee kbeh kbek kbel kbeo kbhb kbhc kbhe kbhh kbhl kbkb kbkk kbkl kbko kblb kble kbll kblo kbob kboc kboe kbok kboo kcbc kcbk kcbl kccb kccc kcck kccl kceb kcec kcee kcel kceo kche kchh kchk kchl kcho kckc kckk kckl kcko kclc kcle kclh kclk kcll kcob kcoe kcoh kcol kebb kebc kebe kech keck keco keeh keek keel kehk kehl kekb kekc keke kekl keko kele kelk kell kelo keok keol khbc khcb khcc khch khck kheb khec khel khhk khhl khho khke khkk khlc khle khll khlo khob khoc khoe khok khol kkbb kkbe kkbl kkbo kkcb kkch kkck kkcl kkco kkhb kkhh kkhk kkkk kklb kklc kklh kkll kklo kkob kkoh kkol kkoo klbb klbc klbe klbl klcb klcc klce klch klck klcl kleb klec klee klek kleo klhb klhc klkc klkk klkl klko kllb kllc klle kllk klob kloc kloe kloh klok klol kloo kobb kobc kobe kobk kobo kocb koch kock koel kohh kohl koho kokb kokc koke kokh kokk koko kolb kolc kole kolk koll kolo koob kooc kook kool kooo lbcc lcbc lccc lcce lchc lebo lece lech leck leco leek leel lehe leke lekh lekk leko lele lell lelo leoc leok lhec lhee lhhh llcc lllc llll lloc lloo lob- lobb lobe lobh lobo locc loce loch lock loco loeb lohe loho loke lokk loko lole loll lolo loob looc looe look lool o-eo obbo obec obel obkb oble oboe obok obol ocbc occc oce ocee oche ocke oclc oec- oecc oeec oele ohbe ohcc ohee ohel ohho ohob ohoh ohok okeh okko oklo okok okol olbo olcc ole- oleh oleo olle ollo oobe ooho oolo oooh oooo