-ene bbbb bbbs bbch bbeb bbhs bbrc bcbc bcbs bccc bccs bcec bcer bces bche bchs bcrs bcsc bcsn bcss bebb bebe bech beck becs beeb beek been beer bees behn behr behs beke beks bene benk benn bens berc bere berk bern berr bers bes- bese besh besk bess bhcc bher bhhs bkhs bner bnhs bnrr bnss brcb brce breb brec bree brek bren brer bres brhs brkb 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 cbkn cbkr 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 ceke cen- cene cens cer- cerc cere cern cers cesc cese cesr cess chce chch chcs cheb chec chee cheh chek chen cher ches chhs chkb chks chnb chnc chnr chns chrb chrc chrn chrr chrs chsc chse chsh chsr ckbc ckbe ckch ckck ckcs cken cker ckhs cknb cknc ckns ckrc cksb cksh cnbc cnes cnhs cnrc cnrr cnss crbc crcc crce crcr cre- creb crec cree creh cren cres crhs crkc crne crns crss cscb cscc csce csch cscr cscs csec csee cseh cser cshs csks csne csrc csrs csse cssr ebbc ebbr ebbs ebcc eben eber ebes ebhs ecbc ecbe eccb eccc ecce eces eche echs ecks ecne ecrc ecrr ecsc ecse ecss eecs eeee eees eehs eeke eeks eens eerc eers eese eesk ehcc eheh ehen eher ehhs ehre ekch ekeb ekek eken eker ekes ekhs ekne enb- enbn enbr ence ench encs enee ener enes enhs enke enkr ennc enne enns enrs ense erbb erbe ercc erce erch ereb erec eren erer eres erhc erhs erke erks erne erns errc erre errs erse ersh esbs escb esce esch escr escs esee esek esen eser eses eshs eske esks esne esse essh hbbs hbes hbhs hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcss hebb hebe hebr hech heck hecs heeb heek heer hees hehe hehn hehs heke hene henh henk henn hens herb herc here herk hern herr hers hesc hesh hess hhhh hhhs hkcc hkcs hkse hnce hncs hnhs hree hrhs hrrc hsbc hscc hscn hses hshs hsse kbbb kbbc kbbe kbbk kbbr kbbs kbcb kbce kbch kbck kbcr kbcs kbeb kbec kbee kbeh kbek kben kber kbes kbhb kbhc kbhe kbhh kbhn kbhr kbhs kbkb kbkk kbkr kbnh kbnn kbnr kbrb kbrc kbre kbrh kbrk kbrn kbsb kbsk kbsn kbsr kbss kcbc kcbk kcbr kcbs kccb kccc kcck kccr kceb kcec kcee kche kchh kchk kchn kchr kchs kckc kckk kckn kckr kcnb kcnh kcnr kcns kcrc kcrh kcrn kcrr kcrs kcsb kcsc kcse kcsn kcsr kcss kebb kebc kebe kebn kebr kech keck kecr keeh keek keen keer kees kehk kehr kehs kekb kekc keke keks ken- kene kenk kenn kenr kens ker- kerb kerc kere kerk kern kerr kers kesb kesc kesh kesk kesn kesr kess khbc khbr khbs khcb khcc khch khck khcs kheb khec kher khhk khhs khke khkk khkn khkr khks khnc khne khnk khnr khns khrk khrr khse khsn khss kkbb kkbe kkbn kkbr kkbs kkcb kkch kkck kkcn kkcr kkcs kken kkhb kkhh kkhk kkhr kkkk kknb kkne kknn kkns kkrb kkrc kkre kkrh kkrk kkrn kkrr kkrs kkse kksn kksr kkss knbb knbc knbe knbn knbr kncb knce knch knck kncn kncr kneb knec knee knek knen knes knhc knhk knhs knkk knnb knnk knnr knns knrb knrk knrs knsb knsc knse knsh knsk knsn knsr knss krbb krbe krbk krbr krcb krcc krce krch krcn krcs kreb krec kree kreh krek kren kres krhc krhs krkc krke krkh krkk krkn krkr krks krnb krne krnh krnk krnn krrb krrc krre krrk krrn krrr krrs krsc krse krsh krsk krsn krsr krss ksbc ksbh ksbn ksbr ksbs kscb ksce ksch ksck kscn kscr kscs ksec ksee kseh ksek ksen kser kshb kshe kshk kshn kshr kshs kskb kske kskk kskn kskr ksks ksnb ksnc ksnh ksnk ksnn ksnr ksns ksrb ksrh ksrn ksrr ksrs ksse kssn kssr ksss 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 neck necr necs neeb neen neer nees nehe nehs neke nene nenh nens nerc nere nerk nerr ners nesb nesc nese nesh nesn nesr ness nhcc nheb nhhs nhnn nhrc nhsc nkhs nnes nnhs nnnn nnss nrcs nren nrhs nrrc nrsc nscc nscs nseb nsec nser nshs nskk nsnr nsrc nssb nssc nsse nssr nsss rbbb rbbr rbbs rbhs rbss rcbc rccb rccc rccs rchb rchs rcnr rcsc rcss rebb rebe rebk rebs recc rece rech reck recr recs reeb reek reen rees rehb rehe rehn rehs reke reks rene renk renn rens rere rers rese resh resn ress rhce rheb rhee rhen rhes rhhs rkss rnbr rncs rnsh rrhs rrrr rscc rsch rscn rscs rsee rshs rsnn rsnr rsre sbbs sbcc sbcs sber sbhc sbhk sbhs sbrk sbse sccc scce sccs scec scee scer sch- sche schh schr schs sck- scnr scr- scrc scre scrn scrs scsc scsh scsn scsr se-c se-e se-h se-k se-n se-s sebe sebs sec- secc sece sech seck secn secr secs seeb seec seeh seek seen seer sees sehe sehk sehr sehs seke sekk sene senn senr sens serb serc sere serk sern serr sers sesc sese sesh sess shbs shcc she- sheb shee sheh shek shen sher shes shhh shhs shne shre shrs shsc skee sken sker skes skhs skn- skss sncc sneb snee sneh sner snes snhs snns snrk 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