bbbb bbch bbcm bbeb bblb bcbc bccc bccl bccm bcec bche bcuc bebb bebe bech becu beeb beel beem behm bele bell belm belu beme bemu bhcc bhel bhuu blcu bleb blee bleh blem bleu blme blub blue blum bmce bubb bube bubu bucc buce buch bucu buel buem bueu buhe buhl bulb bule bull bulu bum- bumb cbbc cbcc cbce cbcl cbcm cbcu cbec cbee cbhl cblb cblc cbme ccbc cccb cccc cccl cccm cccu ccee ccel cche cchl cclc cclm ccmb ccmc ccmm ccuc cebu cec- cece cecm ceeb ceec ceel ceem cehl cel- celc cele cell cemb ceme cemm cemu chce chch chcm cheb chec chee cheh chel chem cheu chlc chmb chmc chml chub chul chum clec clee clem cleu club clue cluh clum cmbc cmcc cmec cmhc cmll cmmb cmmc cmml cub- cubb cube cucc cuce cucm culb culc cule cull culm cum- cume e-cl ebbc ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl eccm ecem eche echl eeee eele ehcc eheh ehel eheu ehle el-b elbe elbu elcb elce elch elec elee eleh elem elle ellu elme elml elue elul elum embe emcc emel emeu emhc emle emlm emme emml emmu emul eubc euch euhl eule eumc hcbc hccb hccc hcch hclm hcmc hcmm hebb hebe hech heeb heel heem hehe hele hell helm helu hem- heme hemu heue hhcl hhhh hlcm hlul hmhb hmmm hubb hube hubl huch hucu huel huhu hulc hule hull hulu hume humh humm huub lbcc lbmc lcbc lccc lcce lccm lchc le-u lebu lece lech leel leem lehe lehm lehu lele lell lelu leme lemm lemu leuc lhec lhee lhhh llcc lleu lllc llll lmcc lube luce luch luhe luhu lule lull lulu lumb lumc lume mbhl mcbc mccc mccl mcmc mcml mebe mec- mecc mece mech meel meem mehe mehl mehu mel- melb melc mele mell memc meme meml memu meum mhem mhmm mlcc mleh mlle mmcc mmcl mmcm mmhl mmhm mmmc mmmh mmmm mube muc- mucc muce much mucu muee muel muhu mule mull mulm mulu mume mumm mumu ubbe uble ucbc ucel uche ucmc uele uell uhcl uhle uhuh ulbc ulcc ulch uleb ulee ulle ulme ulmu ulul ulum umb- umbe umec uulu uuuu