eeee eete eiei eier eime eimi eire eiti eitm eitr emer emet emii emim emir emit emme emmi emre emte erei erem erer eret erie erim erit erme erre etee etem eter etim etre etrm ette etti ieet ieie ieme iere ieri ietm iett iiie iiii iiit iitm iitr iitt imer imet imir imit imme immi immt imre imri imrr iree irem irer iri- irie irre irri irte irti item iter itet itie itim itme itri meem meer meet meir meit meme memr mer- mere meri merm mert met- mete meti mett miee miem mier miet miii miit mim- mime mimi mire miri mirr mirt mit- mite miti mitm mitt mmii mmmm mree mrtm mrtt mtre mtrr mttr reem reet reii reim reir reit reme remi rere reri rert rete reti retr rett riem rier riet rime rimi rimm rire riri rite riti ritt rrrr rtee rtei rtmi teem teer teet teie teim teir teme ter- tere teri term terr tete teti tetr tett tie- tiee tiei tier tiet tiit time timi timm tire tiri tirr tite titi titt tmtt tre- tree trei trem tret tri- trie trim trit trmi trte trtr tter ttim tttt