OTER - COTER - ECOTER - DECOTER
OTER - COTER - ECOTER - BECOTER
REER - GREER - AGREER - RAGREER
ENTER - VENTER - EVENTER - DEVENTER
LEVER - ELEVER - RELEVER - PRELEVER
ORNER - CORNER - ECORNER - DECORNER
RASER - BRASER - EBRASER - DEBRASER
TIRER - ETIRER - RETIRER - PRETIRER
AILLER - MAILLER - EMAILLER - DEMAILLER
AILLER - RAILLER - ERAILLER - DERAILLER
AILLER - MAILLER - EMAILLER - REMAILLER
AILLER - PAILLER - EPAILLER - DEPAILLER
BOULER - ABOULER - RABOULER - TRABOULER
RENDRE - PRENDRE - EPRENDRE - DEPRENDRE
RENDRE - PRENDRE - EPRENDRE - REPRENDRE
RENDRE - PRENDRE - EPRENDRE - MEPRENDRE
ROUTER - CROUTER - ECROUTER - DECROUTER
TENDRE - ETENDRE - RETENDRE - PRETENDRE
CHAUFFER - ECHAUFFER - RECHAUFFER - PRECHAUFFER