de-err dededo deeded deedee deeder deeked deeper dekker deodeo deorro depere depoke depper depree derere derker derped derrer dodded dodder dodek- dododo dok-do dooked doored dopped dopper dorood doropo dororo dorper dorred dorree dreder drkoop drpdre edepro edokko ekero eored epopee eroded eroder keeked keeker keeped keeper keepod keokee kepper kerker kodkod koedoe kokopo kokoro kokpek koodoo kookoo koopoo koorde kopeek koreke korere korero korkor kororo korrek kreker kreope krokek odored okerer okopek okpoko ookroo oooooo oordoo opdorp orpeko pedder peedee peeked peeker peeped peepee peeper peered peerer pepero pepkor pepped pepper perere perked peroke peroor perore perper perree podded podder podere pookoo pooped pooper poopoo poorer popopo poporo popped popper poppop porker ppoker pppppp pre-op preede preore proked proker prokke prokop proode proped proper propre redded redder redere redoer redred redroe redrop reeded reeder reeked reeker reeper repoed repope repped repper rerode rodded rodder rodero roeder roeper roepke rokker rokkor rooked rooker rooped roopee roopek rooper rorek