dddd ddre dedd dede deed deem deer deet dem- demd deme der- dere derm derr dete detr dmdt dred dree drem dret dted edde eddm ede- edem eder edme edrm eede eeee eete emdt emer emet emme emre emte erde ered erem erer eret erme erre etee etem eter etre etrm ette mddm mdme medd mede meed meem meer meet meme memr mer- merd mere merm mert met- mete mett mmmd mmmm mrdd mred mree mrmd mrtm mrtt mtre mtrr mttr rder redd rede redr reed reem reet reme rerd rere rert retd rete retr rett rred rrrr rtdt rtee tedd tede tedm teed teem teer teet teme ter- tere term terr tete tetr tett tmed tmtt tre- tred tree trem tret trmd trte trtr tter tttt