-er b-u bbb bbc bbe bbl bbm bbr bbu bcb bcc bce bcl bcm bcr bcu be- beb bec bee bel bem ber beu blb blc ble bll blm blr blu bmb bmc bme bml bmm bmr bmu brb bre brl brm brr bru bub buc bue bul bum bur buu c-- cbb cbc cbe cbl cbm cbr cbu ccb ccc cce ccl ccm ccr ccu ce- ceb cec cee cel cem cer ceu cl- clb clc cle cll clm clr clu cmb cmc cme cml cmm cmr cmu crb crc cre crl crm crr cru cub cuc cue cul cum cur cuu ebb ebc ebe ebl ebm ebr ebu ec- ecb ecc ece ecl ecm ecr ecu eeb eec eee eel eem eer elb elc ele ell elm elr elu em- emb emc eme eml emm emr emu erb erc ere erl erm err eru eu- eub euc eue eul eur lbb lbc lbe lbl lbm lbr lbu lcb lcc lce lcl lcm lcr lcu leb lec lee lel lem ler leu llb llc lle lll llm llr llu lmb lmc lme lml lmm lmr lmu lrb lrc lrm lrr lru lub luc lue lul lum lur luu m-r mbb mbc mbe mbl mbm mbr mbu mc- mcb mcc mce mcl mcm mcr mcu meb mec mee mel mem mer meu mlb mlc mle mll mlm mlr mlu mmb mmc mme mml mmm mmr mmu mrb mrc mre mrl mrm mrr mru mub muc mue mul mum mur muu rbb rbc rbe rbl rbm rbr rbu rcb rcc rce rcl rcm rcr rcu re- reb rec ree rel rem rer reu rlc rle rll rlm rlr rlu rmb rmc rme rml rmm rmr rrb rrc rrl rrm rrr rru rub ruc rue rum rur ruu ubb ubc ube ubl ubr ubu ucb ucc uce ucl ucm ucr ucu ueb uec uee uel uem uer ulb ulc ule ull ulm ulr ulu um- umb umc ume uml umm umr umu ur- urb urc ure url urm urr uru uuc uue uum uur uuu

bbbb bbcm bbeb bblb bbrc bcbc bccc bccl bccm bcec bcer bcru bcuc bebb bebe becu beeb beel beem beer bele bell belm belu beme bemu berc bere berm berr beru beur blcu bleb blee blem bleu blme blrc blub blue blum blur bmce brcb brce breb brec bree brel brem brer brmc brrm brrr bruc brue brum bubb bube bubu bucc buce bucu buel buem buer bueu bulb bule bull bulu bum- bumb bur- burb bure burl burm burr buru cbbc cbcc cbce cbcl cbcm cbcr cbcu cbec cbee cber cblb cblc cbme cbre cbrl cbrm ccbc cccb cccc cccl cccm cccu ccee ccel cclc cclm ccmb ccmc ccmm ccrc ccre ccrl ccuc cebu cec- cece cecm ceeb ceec ceel ceem cel- celc cele cell cemb ceme cemm cemr cemu cer- cerc cere cerl clec clee clem cler cleu club clue clum cmbc cmcc cmec cmll cmmb cmmc cmml cmrr crbc crbu crcc crce crcr cre- creb crec cree crem creu crmb crub crue crum cub- cubb cube cucc cuce cucm cuer culb culc cule cull culm cum- cume curb cure curl curr e-cl ebbc ebbr ebcc ebel eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl eccm ecem ecrc ecrl ecrm ecrr ecru eeee eele eerc el-b elbe elbu elcb elce elec elee elem eler elle ellu elme elml elue elul elum embe embr emcc emel emer emeu emle emlm emme emml emmu emre emul erbb erbe ercc erce ereb erec erel erem erer erle erll ermc erme errc erre erub eruc erum erur eubc euer eule eumc eur- eurc eure lbcc lblr lbmc lcbc lccc lcce lccm lcer lcrl le-u lebu lece leel leem leer lele lell lelu leme lemm lemu lerc lere lerm leuc leur llcc lleu lllc llll lmcc lmmr lrmc lrrc lrrr lube luce luer lule lull lulu lumb lumc lume lure mcbc mccc mccl mcmc mcml mcrc mebe mec- mecc mece mecr meel meem meer mel- melb melc mele mell memc meme meml memr memu mer- merb merc mere merl merm meru meum mlcc mlle mmcc mmcl mmcm mmmc mmmm mmrc mr-c mrbb mrbm mrcb mrcc mrce mreb mree mrmc mrml mrrc mube muc- mucc muce mucu muee muel mule mull mulm mulu mume mumm mumu murc mure murl murr muru rbbb rbbr rbcl rble rcbc rccb rccc rcle rebb rebe rebu recc rece recm recr recu reeb reel reem relb rele rell relm reme rere reru reue reul reuu rlee rleu rlml rmll rrle rrmc rrrr rrum rubb rube rubu ruce ruel ruer rule rull rumb rume ruml rumm rurc rure ruru ubbe uber uble ucbc ucel ucmc ucrc uele uell ulbc ulcc uleb ulee ulle ullr ulme ulmu ulul ulum umb- umbe umec umer urbe ure- urle urre urum urur uulu uuuu

bbbee bcell be-er bebel beber becel becue becum beebe beele belce belec belee belem bellb belle belue belum belur bembe bemer berbe bercu berec berel berle berme berre berru berum beuer beule beure bleer blere bleue bluer blume blurb blure blurr brebu brece breel breem breer brell breme bremm brere breu- brmmm brrrr bruce bruer brule brull brume brumm bubbe buber buble bucum bucur buell bulb- bull- bulle bulul bumbu bumme burcu burel burle burru buruc cblue ccccc ccell cclcm ccrcl ccrel cebec ceber cecum ceele ceere celeb celer cell- celle cemec cemre cerbu cerc- cerce cerec cerer cerre cleer cleme clerc clere clubb clue- cluer clumb clurr cmere crebe crece creel creem creer crele crell creme creu- creue creul crrel cruce cruel crule crull crumb crume crure cubbe cubeb cubel cuber cubub culbe culle cullu culur cumbe cumbu cumec cumel cumm- curce curel curer curle curll curlu curre cuuel ebber ebble ebell eberl eblul ebull ebure eccle ecume eeeee eeler eembc elele eleme ellel eller ellul elmer elrec elulu eluru embee embel ember emble embue emcee emeer emele emell emere emerl emmer emule emure erbbe erber erem- erere eucre euell euler eum-u eumel eurel