-er b-u bbb bbc bbe bbl bbr bbu bcb bcc bce bcl bcr bcu bcv be- beb bec bee bel ber beu bev blb blc ble bll blr blu blv brb bre brl brr bru brv bub buc bue bul bur buu bvb bvc bve bvl bvr bvu bvv c-- cbb cbc cbe cbl cbr cbu cbv ccb ccc cce ccl ccr ccu ccv ce- ceb cec cee cel cer ceu cev cl- clb clc cle cll clr clu clv crb crc cre crl crr cru crv cub cuc cue cul cur cuu cuv cvb cvc cve cvl cvr cvu cvv ebb ebc ebe ebl ebr ebu ebv ec- ecb ecc ece ecl ecr ecu ecv eeb eec eee eel eer eev elb elc ele ell elr elu elv erb erc ere erl err eru erv eu- eub euc eue eul eur euv evb evc eve evl evr evv lbb lbc lbe lbl lbr lbu lbv lcb lcc lce lcl lcr lcu lcv leb lec lee lel ler leu lev llb llc lle lll llr llu llv lrb lrc lrr lru lrv lub luc lue lul lur luu luv lvb lvc lve lvl lvr lvv rbb rbc rbe rbl rbr rbu rcb rcc rce rcl rcr rcu rcv re- reb rec ree rel rer reu rev rlc rle rll rlr rlu rrb rrc rrl rrr rru rub ruc rue rur ruu ruv rvb rvc rve rvl rvr rvu rvv ubb ubc ube ubl ubr ubu ubv ucb ucc uce ucl ucr ucu ucv ueb uec uee uel uer ulb ulc ule ull ulr ulu ulv ur- urb urc ure url urr uru uuc uue uur uuu uvb uvc uve uvl uvu uvv v-e vbc vbl vbr vbv vcc vce vcl vcr vcu veb vec vee vel ver veu vl- vlb vlc vle vll vlv vrb vrc vre vrr vru vue vul vur vuv vvb vvc vvr vvv

bbbb bbeb bblb bbrc bcbc bccc bccl bcec bcer bcru bcuc bebb bebe becu beeb beel beer bele bell belu berc bere berr beru beur blcu bleb blee bleu blrc blub blue blur brcb brce breb brec bree brel brer brev brrr bruc brue bruv bubb bube bubu bucc buce bucu buel buer bueu bulb bule bull bulu bur- burb bure burl burr buru buve cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cblb cblc cbre cbrl cbvb cbve cbvr ccbc cccb cccc cccl cccu cccv ccee ccel cclc cclv ccrc ccre ccrl ccuc cebu cec- cece ceeb ceec ceel cel- celc cele cell cer- cerc cere cerl clec clee cler cleu clrv club clue crbc crbu crcc crce crcr cre- creb crec cree creu crub crue cub- cubb cube cucc cuce cuer culb culc cule cull curb cure curl curr cuve cvcc cver cvrr e-cl ebbc ebbr ebcc ebel eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecrc ecrl ecrr ecru ecrv eeee eele eelv eerc el-b elbe elbu elcb elce elec elee eler elev elle ellu elue elul elve erbb erbe ercc erce ereb erec erel erer erev erle erll errc erre erub eruc erur eruv erve eubc euer eule eur- eurc eure evel ever evre lbcc lblr lcbc lccc lcce lcer lcrl lcrv le-u lebu lece leel leer lele lell lelu lerc lere leuc leur lev- levc leve llcc lleu lllc llll lrrc lrrr lube luce luer lule lull lulu lure lurv luve lvcc lvrr rbbb rbbr rbcl rble rcbc rccb rccc rcle rcuv rcvr rebb rebe rebu recc rece recr recu reeb reel reev relb rele rell rere reru reue reul reuu reve rlee rleu rrle rrrr rubb rube rubu ruce ruel ruer rule rull rurc rure ruru ruve ruvu rv-c rver ubbe uber uble ucbc ucel ucrc uele uell ulbc ulcc uleb ulee ulle ullr ulul urbe ure- urle urre urur urve uulu uuuu uv-b uv-c uvel uver uvvu vbcc vecc veel veer vel- vele vell velu ver- verb vere verl veur veve vlcc vrbl vuel vull vurb vver vvvv

bbbee bcell be-er bebel beber becel becue beebe beele beeve belce belec belee bellb belle belue belur berbe bercu berec berel berle berre berru beuer beule beure beuve bevce bevel bever bevue bleer blere bleue bleve bluer blurb blure blurr brebu brece breel breer brell brere breu- breve brrrr bruce bruer brule brull bubbe buber buble bucur buell bulb- bull- bulle bulul burcu burel burle burru buruc buvce cblue ccccc ccell ccrcl ccrel cebec ceber ceele ceere celeb celer cell- celle cerbu cerc- cerce cerec cerer cerre cleer clerc clere cleve clevr clubb clue- cluer clurr cluve crebe crece creel creer crele crell creu- creue creul creve crrel cruce cruel crule crull crure cruve cubbe cubeb cubel cuber cubub culbe culle cullu culur curce curel curer curle curll curlu curre curve cuuel cuvee cvrce ebber ebble ebell eberl eblul ebull ebure eccle eeeee eeler eevee eever elele eleve ellel eller ellul elrec elulu eluru elver erbbe erber erere ereve eucre euell euler eurel eurre evell evere everr eveve lebce lebec lebel leber lecce leece leell leere leeve leleu lelle lerer leuc- leuce levec levee level lever levre lubbe luber luble lubur lucee lucre lucur lueve lulec lulle luluc lulul lurer lurue lurve luver rebbe rebec rebel reber recce recue recur reece reere reeve relee relue rere- reree reuel reuer reule revel rever revle revue rubee rubel ruber ruble rucer rucul ruele ruell ruere ruler rurec ruule u-cee ubble uber- uccel uccle ucell uclue ulcer ullur ululu uluru ulver urcel urelu urubu uruce urucu uuuuu uvele uvule veber vebre vecer veele veell veere veeve velev velle velur vereb verel verre verul verve veuve vevce vever vreel vuele vuere vulv- vulve vuver

b-reel bbbbbb beblur becure becurl beebee beeler beever belber beleve beller belleu bellue belull belver belvue berbee berber bercel bereel berere berrer berube beurre bevele bleere blublu blurre brebel breere breuer brever brubru bruel brulee bruree bubber bubble bubele bububu bueler bulbel bulbul bull-e bullee buller burble burbur burcer burell burler burree burrel burrer c-cube