eeee eete eetu emer emet emeu emme emmu emre emte erem erer eret erme erre ertu erum erur etee etem eter etre etrm ette ettu euer eur- eure eurt meem meer meet meme memr memu mer- mere merm mert meru met- mete mett metu meum mmmm mree mrtm mrtt mtre mtrr mttr muee muet mume mumm mumu mure murr murt muru mute mutt mutu muut reem reet reme rere rert reru rete retr rett reue reut reuu rmtu rrrr rrum rtee ruer ruet rume rumm rumt rure ruru rute rutt rutu teem teer teet teme temu ter- tere term terr teru tete tetr tett tetu teut tmtt tre- tree trem tret treu trmu trte trtr true trut truu tter tttt tuer tuet tume tumu ture turm turr turt turu tute tutt tutu tuum umer umet umut ure- uret urre urte urum urur urut uter uttu uuuu