bbbb bbbs bbeb bebb bebe beeb beek beem bees beke beks beme bes- bese besk besm bess bseb bsee bses bsms bsse bssm ebbs ebes eeee eees eeke eeks eems eese eesk ekeb ekek ekes embe embs emek emes emks emme emms emse esbs esee esek esem eses eske esks esme esse kbbb kbbe kbbk kbbm kbbs kbeb kbee kbek kbes kbkb kbkk kbmb kbme kbms kbsb kbsk kbsm kbss kebb kebe keek keem kees kekb keke keks kemb keme kemm kems kesb kesk kess kkbb kkbe kkbs kkkk kkmk kkms kkse kksm kkss kmbs kmem kmke kmkk kmks kmme kmmk kmmm kmms kmsb kmse kmss ksbs ksee ksek ksem kskb kske kskk ksks ksmb ksme ksmm ksms ksse kssm ksss mbbs mbes mbms mebe meek meem mees meke meme mems mes- mese mess mkks mksm mmes mmmm mmms mmse msee msem msmb msmm msms mssm sbbs sbse se-e se-k se-s sebe sebs seeb seek seem sees seke sekk seme sems sese sess skee skem skes skss smbe smeb smee smkb smss ssee ssem sses sssb sssm ssss