bbbb bbbs bbeb bblb bbls bebb bebe beeb beel beer bees bele bell bels bere berr bers bes- bese bess bleb blee bles blls blss breb bree brel brer bres brls brrr brrs brsb brsr bseb bsee bser bses bsse ebbr ebbs ebel eber ebes eeee eees eele eels eers eese el-b elbe elee eler eles elle ells else erbb erbe ereb erel erer eres erle erll erre errs erse esbs esee esel eser eses esse essl lblr lbrs leel leer lees lele lell lere lese less llbs lles llll lrrr lrse ls-r lses lssr rbbb rbbr rbbs rble rbsl rbss rebb rebe rebs reeb reel rees relb rele rell rels rere rers rese ress rlee rlls rrle rrrr rsee rsre rssl sbbs sber sbse se-e se-s sebe sebs seeb seel seer sees selb sele sell sels serb sere serr sers sese sess sleb slee sler sles slre slrs sreb sres ssbr ssee sses ssle ssrl ssrs sssb ssss