ceecee cerete cermet ceruce creete cremec cremer cumere cummer curete curmur currer curret curter cutcut cuttee cutter eerect emeere emeter emeute emmert emmett emmure eretum errett etcetc ettutu eutere m-tree mccree mccrum mcruer mcteer meerut meeter meetme meetre mememe memere mercer merece merete mermer mermet merrem merret merter merure meteer metrer metrum metter mettet mettur meurce meurte muerte muette mummer murmur murree murter mutere mutter muttur mutuum muumuu r-tree recrue rectum recuer recure recurt remeet remete remeue retece reteer reteet retere reterm retree retret retter rettur returu reuere reuter reutte reutum rummer rurutu ruttee rutter t-tree tectum teemer teerme teetee teeter temere tercer tercet terete termer terrer terret terter tertre tetete tetter teucer tr-rec treece treete tremet tretee trette treuce truett tumer tummer tumtum turmer turmut turret turrum turtur turucu tururu tuteur tutter tuttut tutume ucurum ureter urette uteute