-ene bbbb bbbs bbch bbeb bbhs bbrc bcbc bcbs bccc bccs bcec bcer bces bche bchs bcrs bcsc bcsn bcss bebb bebe bech becs beeb been beer bees behn behr behs bene benn bens berc bere bern berr bers bes- bese besh bess bhcc bher bhhs bner bnhs bnrr bnss brcb brce breb brec bree bren brer bres brhs brns brrr brrs brsb brsr bscs bseb bsec bsee bser bses bshs bsns bssc bsse cbbc cbbs cbcc cbce cbcn cbcr cbcs cbec cbee cber cbhs cbre cbrh cbrn cbsc cbse cbsn ccbc ccbn cccb cccc cccs ccee cche cchr cchs ccnb ccnc ccne ccnr ccns ccrc ccre ccrs ccsn ccss cebs cec- cece cecs ceeb ceec cees cehs cen- cene cens cer- cerc cere cern cers cesc cese cesr cess chce chch chcs cheb chec chee cheh chen cher ches chhs chnb chnc chnr chns chrb chrc chrn chrr chrs chsc chse chsh chsr cnbc cnes cnhs cnrc cnrr cnss crbc crcc crce crcr cre- creb crec cree creh cren cres crhs crne crns crss cscb cscc csce csch cscr cscs csec csee cseh cser cshs csne csrc csrs csse cssr ebbc ebbr ebbs ebcc eben eber ebes ebhs ecbc ecbe eccb eccc ecce eces eche echs ecne ecrc ecrr ecsc ecse ecss eecs eeee eees eehs eens eerc eers eese ehcc eheh ehen eher ehhs ehre enb- enbn enbr ence ench encs enee ener enes enhs ennc enne enns enrs ense erbb erbe ercc erce erch ereb erec eren erer eres erhc erhs erne erns errc erre errs erse ersh esbs escb esce esch escr escs esee esen eser eses eshs esne esse essh hbbs hbes hbhs hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hebb hebe hebr hech hecs heeb heer hees hehe hehn hehs hene henh henn hens herb herc here hern herr hers hesc hesh hess hhhh hhhs hnce hncs hnhs hree hrhs hrrc hsbc hscc hscn hses hshs hsse nbbc nbcc nbcs nber nbhs ncbc ncbs nccc nccn nccr nccs ncec ncee ncen ncer nces nchc nchs ncnc ncrc ncre ncsc ncse ncss nebb nebe nebn nebr nebs necc nece nech necr necs neeb neen neer nees nehe nehs nene nenh nens nerc nere nerr ners nesb nesc nese nesh nesn nesr ness nhcc nheb nhhs nhnn nhrc nhsc nnes nnhs nnnn nnss nrcs nren nrhs nrrc nrsc nscc nscs nseb nsec nser nshs nsnr nsrc nssb nssc nsse nssr nsss rbbb rbbr rbbs rbhs rbss rcbc rccb rccc rccs rchb rchs rcnr rcsc rcss rebb rebe rebs recc rece rech recr recs reeb reen rees rehb rehe rehn rehs rene renn rens rere rers rese resh resn ress rhce rheb rhee rhen rhes rhhs rnbr rncs rnsh rrhs rrrr rscc rsch rscn rscs rsee rshs rsnn rsnr rsre sbbs sbcc sbcs sber sbhc sbhs sbse sccc scce sccs scec scee scer sch- sche schh schr schs scnr scr- scrc scre scrn scrs scsc scsh scsn scsr se-c se-e se-h se-n se-s sebe sebs sec- secc sece sech secn secr secs seeb seec seeh seen seer sees sehe sehr sehs sene senn senr sens serb serc sere sern serr sers sesc sese sesh sess shbs shcc she- sheb shee sheh shen sher shes shhh shhs shne shre shrs shsc sncc sneb snee sneh sner snes snhs snns snrs srbc srcc srch sreb srec sres srhs srnn ssbn ssbr sscc ssce sscs ssec ssee sses sshs ssns ssrc ssrs sssb sssc sssh ssss