-ene bbbb bbbs bbch bbeb bbhs bcbc bcbs bccc bccs bcec bces bche bchs bcsc bcsn bcss bebb bebe bech becs beeb been bees behn behs bene benn bens bes- bese besh bess bhcc bhhs bnhs bnss bscs bseb bsec bsee bses bshs bsns bssc bsse cbbc cbbs cbcc cbce cbcn cbcs cbec cbee cbhs cbsc cbse cbsn ccbc ccbn cccb cccc cccs ccee cche cchs ccnb ccnc ccne ccns ccsn ccss cebs cec- cece cecs ceeb ceec cees cehs cen- cene cens cesc cese cess chce chch chcs cheb chec chee cheh chen ches chhs chnb chnc chns chsc chse chsh cnbc cnes cnhs cnss cscb cscc csce csch cscs csec csee cseh cshs csne csse ebbc ebbs ebcc eben ebes ebhs ecbc ecbe eccb eccc ecce eces eche echs ecne ecsc ecse ecss eecs eeee eees eehs eens eese ehcc eheh ehen ehhs enb- enbn ence ench encs enee enes enhs ennc enne enns ense esbs escb esce esch escs esee esen eses eshs esne esse essh 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 hesc hesh hess hhhh hhhs hnce hncs hnhs hsbc hscc hscn hses hshs hsse nbbc nbcc nbcs nbhs ncbc ncbs nccc nccn nccs ncec ncee ncen nces nchc nchs ncnc ncsc ncse ncss nebb nebe nebn nebs necc nece nech necs neeb neen nees nehe nehs nene nenh nens nesb nesc nese nesh nesn ness nhcc nheb nhhs nhnn nhsc nnes nnhs nnnn nnss nscc nscs nseb nsec nshs nssb nssc nsse nsss sbbs sbcc sbcs sbhc sbhs sbse sccc scce sccs scec scee sch- sche schh schs scsc scsh scsn se-c se-e se-h se-n se-s sebe sebs sec- secc sece sech secn secs seeb seec seeh seen sees sehe sehs sene senn sens sesc sese sesh sess shbs shcc she- sheb shee sheh shen shes shhh shhs shne shsc sncc sneb snee sneh snes snhs snns ssbn sscc ssce sscs ssec ssee sses sshs ssns sssb sssc sssh ssss