-er b-u bbb bbc bbe bbg bbl bbr bbu bcb bcc bce bcg bcl bcr bcu be- beb bec bee beg bel ber beu bgb bgc bge bgg bgl bgr bgu blb blc ble blg bll blr blu brb bre brg brl brr bru bub buc bue bug bul bur buu c-- cbb cbc cbe cbg cbl cbr cbu ccb ccc cce ccg ccl ccr ccu ce- ceb cec cee ceg cel cer ceu cgb cgc cge cgg cgl cgr cgu cl- clb clc cle clg cll clr clu crb crc cre crg crl crr cru cub cuc cue cug cul cur cuu ebb ebc ebe ebg ebl ebr ebu ec- ecb ecc ece ecg ecl ecr ecu eeb eec eee eeg eel eer egb egc ege egg egl egr egu elb elc ele elg ell elr elu erb erc ere erg erl err eru eu- eub euc eue eug eul eur gbc gbe gbg gbl gbr gbu gcb gcc gce gcg gcl gcr gcu ge- geb gec gee geg gel ger geu ggb ggc ggg ggr ggu glb glc gle glg gll glr glu grb grc gre grg grl grr gru gu- gub guc gue gug gul gur guu lbb lbc lbe lbg lbl lbr lbu lcb lcc lce lcg lcl lcr lcu leb lec lee leg lel ler leu lgb lgc lge lgg lgl lgr lgu llb llc lle llg lll llr llu lrb lrc lrg lrr lru lub luc lue lug lul lur luu rbb rbc rbe rbg rbl rbr rbu rcb rcc rce rcg rcl rcr rcu re- reb rec ree reg rel rer reu rgb rgc rge rgg rgr rlc rle rlg rll rlr rlu rrb rrc rrg rrl rrr rru rub ruc rue rug rur ruu ubb ubc ube ubg ubl ubr ubu ucb ucc uce ucg ucl ucr ucu ueb uec uee ueg uel uer ugb ugc uge ugg ugl ugr ugu ulb ulc ule ulg ull ulr ulu ur- urb urc ure urg url urr uru uuc uue uug uur uuu

bbbb bbeb bblb bbrc bbrg bcbc bcbg bccc bccl bcec bcer bcru bcuc bebb bebe becu beeb beeg beel beer begg begu bele belg bell belu berc bere berg berr beru beur blcu bleb blee bleg bleu blrc blrg blub blue blur brcb brce breb brec bree breg brel brer brrr bruc brue brug bubb bube bubu bucc buce bucu buel buer bueu buge bugg bulb bule bulg bull bulu bur- burb bure burg burl burr buru cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cbgb cblb cblc cbre cbrl ccbc cccb cccc cccl cccu ccee ccel ccgc cclc cclg ccrc ccre ccrg ccrl ccuc cebu cec- cece ceeb ceec ceel cege cel- celc cele cell cer- cerc cere cerl cgcc cgcg cgel cger clec clee cleg cler cleu club clue crbc crbu crcc crce crcr cre- creb crec cree creg creu crub crue crug 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 eerg egbe egbu egcc egcg egcr egec egee egel eger eggb egge eglc egle eglu egre el-b elbe elbu elcb elce elec elee eler elgg elle ellu elue elul erbb erbe ercc erce ereb erec erel erer erg- ergg erle erll errc erre erub eruc erur eubc euer euge eule eur- eurc eure gc-c gcbc gccc gclc gcrg gebe gece geel geer gege gegg gegl gelb gele gelg gell gelu gerb gere gerl geru geue geul ggcl gggg glbc glcc glce gleb glee gleg gleu glge glrb glub glue glug glur grbr grcc grce greb grec gree greg greu grrl grrr grub grue grug grur gubb gubu guel guer gugb guge gugg gugu gulb gule gull gulu gurb gure gurg gurl gurr guru lbcc lblr lbug lcbc lccc lcce lcer lcrg lcrl le-u lebu lece leel leer lege legg lele lell lelu lerc lere leuc leur lgbu lger llcc lleu llgc lllc llll lrgb lrrc lrrr lube luce lueg luer luge lugg lugu lule lull lulu lure lurg rbbb rbbr rbcl rble rcbc rccb rccc rcgc rcle rcrg rebb rebe rebu recc rece recr recu reeb reel rege regl regr regu relb rele rell rere rerg reru reue reul reuu rgbe rlcg rlee rleu rlug rrle rrrr rubb rube rubu ruce ruel ruer ruge rugg rule rull rurc rure ruru ubbe uber uble ucbc ucel ucrc uele uell ugcc ugcg ugur uguu ulbc ulcc uleb ulee ulle ullr ulul urbe ure- urge urgu urle urre urur uulu uuuu

bbbee bcell be-er bebel beber becel becue beebe beele begee begge begle begue begur belce belec belee beleg belge bellb belle belue belur berbe bercu berec bereg berel berge berle berre berru beuer beule beure bleer blere bleue bluer blurb blure blurr brebu brece breel breer breg- brege bregg brell brere breu- brrrr bruce bruer bruge brugg brule brull bubbe buber buble bucur buell buger bugge bugle bugre bulb- bulge bull- bulle bulul burcu burel burge burgu burle burru buruc cblue ccccc ccell ccrcl ccrel cebec ceber ceele ceere cegge celeb celer cell- celle cerbu cerc- cerce cerec cerer cerge cerre cleer clegg clerc clere clubb clue- cluer clurr crebe crece creel creer cregg crele crell creu- creue creul crrel cruce cruel crule crull crure cubbe cubeb cubel cuber cubub cugel culbe culle cullu culur curce curel curer curle curll curlu curre curug cuuel ebber ebble ebell eberg eberl eblul ebull ebure eccle eeeee eeler egger elegu elele elge elgee elger ellel eller ellul elrec elulu eluru erbbe erber erceg erege erere eucre euell euler eurel eurre gberg gberu gebel geber gebre gebur geere gegge gelee geler gelle gelru gelug gerbe gerce gerle gerre ggulu glebe gleer glegg glele glere glubb gluc- gluer grebe grece grecu greer grege gregg grell grgur grrrl grrrr grubb grube gruel grure gubbe guber gubru guce gucer guclu gucul guell guere gugel gugul guler gulle gurge