bbbb bbbs bbeb bblb bbls bcbc bcbs bccc bccl bccs bcec bces bcsc bcsl bcss bebb bebe becs beeb beel bees bele bell bels belz bes- bese bess beze bleb blee bles blls blss bscs bseb bsec bsee bses bslc bssc bsse bzzz cbbc cbbs cbcc cbce cbcl cbcs cbec cbee cblb cblc cbsc cbse ccbc cccb cccc cccl cccs ccee ccel cclc ccls ccsl ccss cebs cec- cece cecs ceeb ceec ceel cees cel- celc cele cell cels cesc cese cess ceze clec clee cles clsc cscb cscc csce cscl cscs csec csee csse e-cl ebbc ebbs ebcc ebel ebes ecbc ecbe eccb eccc ecce eccl eces ecsc ecse ecss eecs eeee eees eele eels eese eeze el-b elbe elcb elce elec elee eles elle ells else elze esbs escb esce escs esee esel eses esse essl ezel lbcc lbsc lcbc lccc lcce lccs lces lcls lcsc lece leel lees lele lell lese less leze llbs llcc llcs lles lllc llll lscb lscs lses sbbs sbcc sbcs sbse sccc scce sccl sccs scec scee scel scl- sclc scls scsc scsl se-c se-e se-s se-z sebe sebs sec- secc sece secs seeb seec seel sees seez selb sele sell sels selz sesc sese sess slcc sleb slee sles slsc sscc ssce sscs ssec ssee sses sslc ssle sssb sssc ssss szss zebe zeel zees zele zell zels zeze zsss zzzs zzzz