-er b-u bbb bbc bbe bbl bbr bbu bcb bcc bce bcl bcr bcu be- beb bec bee bel ber beu blb blc ble bll blr blu brb bre brl brr bru bub buc bue bul bur buu c-- cbb cbc cbe cbl cbr cbu ccb ccc cce ccl ccr ccu ce- ceb cec cee cel cer ceu cl- clb clc cle cll clr clu crb crc cre crl crr cru cub cuc cue cul cur cuu ebb ebc ebe ebl ebr ebu ec- ecb ecc ece ecl ecr ecu eeb eec eee eel eer elb elc ele ell elr elu erb erc ere erl err eru eu- eub euc eue eul eur lbb lbc lbe lbl lbr lbu lcb lcc lce lcl lcr lcu leb lec lee lel ler leu llb llc lle lll llr llu lrb lrc lrr lru lub luc lue lul lur luu rbb rbc rbe rbl rbr rbu rcb rcc rce rcl rcr rcu re- reb rec ree rel rer reu rlc rle rll rlr rlu rrb rrc rrl rrr rru rub ruc rue rur ruu ubb ubc ube ubl ubr ubu ucb ucc uce ucl ucr ucu ueb uec uee uel uer ulb ulc ule ull ulr ulu ur- urb urc ure url urr uru uuc uue uur uuu

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 brrr bruc brue bubb bube bubu bucc buce bucu buel buer bueu bulb bule bull bulu bur- burb bure burl burr buru cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cblb cblc cbre cbrl ccbc cccb cccc cccl cccu ccee ccel cclc ccrc ccre ccrl ccuc cebu cec- cece ceeb ceec ceel cel- celc cele cell cer- cerc cere cerl clec clee cler cleu 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 e-cl ebbc ebbr ebcc ebel eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecrc ecrl ecrr ecru eeee eele eerc el-b elbe elbu elcb elce elec elee eler elle ellu elue elul erbb erbe ercc erce ereb erec erel erer erle erll errc erre erub eruc erur eubc euer eule eur- eurc eure lbcc lblr lcbc lccc lcce lcer lcrl le-u lebu lece leel leer lele lell lelu lerc lere leuc leur llcc lleu lllc llll lrrc lrrr lube luce luer lule lull lulu lure rbbb rbbr rbcl rble rcbc rccb rccc rcle rebb rebe rebu recc rece recr recu reeb reel relb rele rell rere reru reue reul reuu rlee rleu rrle rrrr rubb rube rubu ruce ruel ruer rule rull rurc rure ruru ubbe uber uble ucbc ucel ucrc uele uell ulbc ulcc uleb ulee ulle ullr ulul urbe ure- urle urre urur uulu uuuu

bbbee bcell be-er bebel beber becel becue beebe beele belce belec belee bellb belle belue belur berbe bercu berec berel berle berre berru beuer beule beure bleer blere bleue bluer blurb blure blurr brebu brece breel breer brell brere breu- brrrr bruce bruer brule brull bubbe buber buble bucur buell bulb- bull- bulle bulul burcu burel burle burru buruc cblue ccccc ccell ccrcl ccrel cebec ceber ceele ceere celeb celer cell- celle cerbu cerc- cerce cerec cerer cerre cleer clerc clere clubb clue- cluer clurr crebe crece creel creer crele crell creu- creue creul crrel cruce cruel crule crull crure cubbe cubeb cubel cuber cubub culbe culle cullu culur curce curel curer curle curll curlu curre cuuel ebber ebble ebell eberl eblul ebull ebure eccle eeeee eeler elele ellel eller ellul elrec elulu eluru erbbe erber erere eucre euell euler eurel eurre lebce lebec lebel leber lecce leece leell leere leleu lelle lerer leuc- leuce lubbe luber luble lubur lucee lucre lucur lulec lulle luluc lulul lurer lurue rebbe rebec rebel reber recce recue recur reece reere relee relue rere- reree reuel reuer reule rubee rubel ruber ruble rucer rucul ruele ruell ruere ruler rurec ruule u-cee ubble uber- uccel uccle ucell uclue ulcer ullur ululu uluru urcel urelu urubu uruce urucu uuuuu

b-reel bbbbbb beblur becure becurl beebee beeler belber beller belleu bellue belull berbee berber bercel bereel berere berrer berube beurre bleere blublu blurre brebel breere breuer 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 cebell cecele ceecee ceeler celler cellu- celure cercle cerler ceruce cerule cleber cleere clerre cleure clucer crelle cruell cubbel cubber cubube cucube cucurb culler curber curble curler currer curule eberle eburru eculee eebree eeuler eleele erbree eubule euller leccer leelee leerer lubber lucule luller lurulu rebbec rebble rebell rebeuc rebulb reclue recrue recuer recule recull recurb recure reeler reeuel relece reller relleu reluce rereel rerule reuele reuere reuler reulle rubbee rubbel rubber rubble rubell ruelle ruller ullucu

bbbbbbb bbruler bebeeru belluru berbere berulle beulcer blecere bleuler blubber blurrer bubbler buclere bueller bulbule bullule burbler burbure burelle burrell ceercle celebre celerer cellere cellul- cellule cerbere cerebel cerebr- clubber creeler creuell crucell crueler cruller cuculle curlure currere ecuelle ellerbe leclerc leclere leleble lucelle lucrece re-blue rebelle reclere recluce reculer recurer rubbell rubbler rubelle urcelle

bbbbbbbb beerbell berebere bluebell brucelee burlecue buruburu cercelle crueller cucurucu curlecue curucucu ellerbee rebeller rebubble recurrer

beblubber beebeebee blubberer blue-bell bluebelle cercelee cerebell- recercele

berberburr rebelrebel recercelee rubblerule

rublerubble

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