-hou bbbb bbch bbeb bblb bcbc bcbp bccc bccl bcec bche bcpl bcpp bcuc bcup bebb bebe bebo bech becu beeb beel beep bele bell belo belp belu beo- bepo bhcc bhel bhpl bhuu blcu bleb blee bleh bleo bleu blob bloc bloo blop blou blub blue blup bobb bobe bobo bobu boce boch boco bocu boec boee boel boeo boep bohl boho bohu bole boll bolo bolu boob booc booe booh bool boop bope bopp boue bouh boul boup bpcp bpel bphc bpoe bubb bube bubo bubu bucc buce buch buco bucu buel bueu buhe buhl buho bulb bule bull bulu buol bupc c-bo cbbc cbcc cbce cbcl cbcp cbcu cbec cbee cbhl cblb cblc cbol cbpc cbpp ccbc cccb cccc cccl cccp cccu ccee ccel cche cchl cchp cclc ccob ccoc ccpe ccpl ccpp ccuc ccup cebp cebu cec- cece ceco cecp ceeb ceec ceel cehl cel- celc cele cell celo ceol ceop ceou cepc cepe ceph cepo cepp chbp chce chch chcp cheb chec chee cheh chel chep cheu chlc chlp choc choh chol choo chop chou chpp chub chul clec clee cleo clep cleu clob cloe cloo clop clou clpb clpp club clue cluh cobb cobe cobh cobo cobu coce coch coco cocp cocu coel coep coho col- colb cole coll colo colp colu coob cooh cool coop cope coph copo copp coub coue coul coup cpbc cpce cpcu cpeb cpep cphl cplc cub- cubb cube cucc cuce culb culc cule cull culo culp cupe cupl cupo cupp e-cl ebbc ebbo ebcc ebel eboe ebol eboo ebpo ebul ecbc ecbe eccb eccc ecce eccl ecco eche echl echo eco- ecol ecop ecou ecpp eeee eele eeoc ehcc eheh ehel eheu ehle ehlo el-b el-p elbe elbo elbu elcb elce elch elco elec elee eleh eleo elle ello ellu elpe elph elue elul eole eolo epcc epch epec epee eph- eple epll epoc epol eppc eppo eppp epub eubc euch euhl eule hboc hcbc hccb hccc hcch hcpc hebb hebe hebo hech heeb heel heep hehe heho hele hell helo help helu heou hepc hepe hepl hepp hepu heue hhcl hhhh hhpc hlul hobe hobo hoce hoch hoel hohe hohl hoho hol- holb holc hole holh holl holo holp holu hooe hool hoop hope hopo hopp houe houp hpcc hppe hpue hubb hube hubl hubo huch hucu huel huhu hulc hule hull hulu hupe hupp huub lbcc lcbc lccc lcce lchc lcpc lcpl le-u lebo lebu lece lech leco leel leep lehe lehu lele lell lelo lelu leoc leou lepe lepo lepp leuc lhec lhee lhhh llcc lleu lllc llll lloc lloo lob- lobb lobe lobh lobo locc loce loch loco locu loeb loeu lohe loho lohu lole loll lolo loob looc looe lool loop lope lopp lopu loue louh loul loup louu lpec lppl lube luce luch luhe luhu lule lull lulu luoh lupe lupo lupu luup o-eo obbo obec obel oble oblu oboe obol obuh ocbc occc oce ocee oche oclc ocpp ocul oec- oecc oeec oele ohbe ohcc ohee ohel ohho ohob ohoh olbo olcc ole- oleh oleo olle ollo olpc olpe olph oobe ooho oolo oooh oooo opec opel opep ople opo- oppo oucc ouch oule oulu oupe ouph ouu- pbcc pblu pboc pcbc pccc pcce pccl pcep pchp pcll pclo pcoe pcpb pcpp pebl pece pech pecl peco peec peel peep pehe peho pel- pelb pele pell pelo pelu peou pepe pepo peul phcc phe- phlo phob phoh phoo phul plcc plce plch ple- pleb plec plee pleo pleu plob ploc ploh ploo plop plou plpp plue plup pobo poce poch poco poel pohl pole poll polo polu pooh pool poop pop- popc pope popo popp poul poup ppcc pple pplo pppo pppp pu-e pube publ pubu puce puch puel pueo pueu puhl pule pull pulo pulp pulu pupe pupl pupu puuc ubbe ubbo uble ublo uboc ubpc ucbc uccp ucel uche ucho ucpb ucph uele uell uhcl uhle uhoh uhuh uhup ulbc ulcc ulch ulco uleb ulee uleo ulle ullo ulo- uloc ulul uocc uolc upbe uplb uplo uppc uppe uppp uppu upup uucp uulu uuoc uuuu