-ene bbbb bbbs bbch bbeb bbhs bcbc bcbs bccc bccs bcec bces bche bchs bcnu bcsc bcsn bcss bcuc bebb bebe bech becs becu beeb been bees behn behs bene benn bens benu bes- bese besh bess bhcc bhhs bhuu bnhs bnss bscs bseb bsec bsee bses bshs bsns bssc bsse bubb bube bubs bubu bucc buce buch bucs bucu buen bueu buhe buhs bunb bune bunn buns bunu busc buse bush buss busu buus cbbc cbbs cbcc cbce cbcn cbcs cbcu cbec cbee cbhs cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccs cccu ccee cche cchs ccnb ccnc ccne ccns ccnu ccsn ccss ccuc ccus cebs cebu cec- cece cecs ceeb ceec cees cehs cen- cene cens cesc cese cess chce chch chcs cheb chec chee cheh chen ches cheu chhs chnb chnc chns chsc chse chsh chub chun chus cnbc cnes cnhs cnss cscb cscc csce csch cscs csec csee cseh cshs csne csse csus cub- cubb cube cubs cucc cuce cucn cues cune cusb cush cuss cusu ebbc ebbs ebcc eben ebes ebhs ebus ecbc ecbe eccb eccc ecce eces eche echs ecne ecsc ecse ecss ecsu ecus eecs eeee eees eehs eens eese ehcc eheh ehen eheu ehhs enb- enbn ence ench encs enee enes enhs ennc enne enns ennu ense ensu enue enus esbs escb esce esch escs escu esee esen eses eshs eshu esne esse essh essu esus eubc euch euse hbbs hbes hbhs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hebb hebe hech hecs heeb hees hehe hehn hehs hene henh henn hens henu hesc hesh hess heue heun heus hhhh hhhs hhus hnce hncs hnhs hsbc hscc hscn hses hshs hsse hubb hube hubs huch hucs hucu hues huhn huhs huhu hunc hune hunh huns huse hush huss huub huus nbbc nbcc nbcs nbhs ncbc ncbs nccc nccn nccs nccu ncec ncee ncen nces nchc nchs ncnc ncsc ncse ncss ncue nebb nebe nebn nebs nebu necc nece nech necs neeb neen nees nehe nehs nehu nene nenh nens nenu nesb nesc nese nesh nesn ness neuc neue neun neuu nhcc nheb nhhs nhnn nhsc nnes nnhs nnnn nnss nscc nscs nseb nsec nshs nssb nssc nsse nsss nsub nubc nube nubs nuce nuch nucs nucu nuee nunc nune nunn nuns nuse nush nuss nusu sbbs sbcc sbcs sbhc sbhs sbse sbus sccc scce sccs scec scee sch- sche schh schs scsc scsh scsn scsu scub scun se-c se-e se-h se-n se-s se-u sebe sebs sec- secc sece sech secn secs secu seeb seec seeh seen sees seeu sehe sehs sene senn sens sesc sese sesh sess shbs shcc she- sheb shee sheh shen shes sheu shhh shhs shne shsc shub shue shun shus shuu sncc sneb snee sneh snes snhs snns snub snus ssbn sscc ssce sscs ssec ssee sses sshs ssns sssb sssc sssh ssss sub- subb subh subs suc- succ such sucs suee suen sues sueu suhb sun- sunb sune sunn suns sunu sus- suse suss susu suus ubbe ucbc uces uche uchs ucsb ucsc ucsu uesn uess uhss uhuh unbe uncc unce unch uncs uneb unec unee unen unes unne unns uns- unsc unus usbc usbe usbs uscc usce usch uscs usee usen uses ushs ushu usnc usnu ussb ussc usse usss ussu usun usus uuen uuuu