de-err dededo deeded deedee deeder deeked defeke deffer deford defore dekker deodeo deorro derere derfde derker derrer dodded dodder dodek- dododo doffed doffer dok-do doofer dooked doored dorfer dorofk dorood dororo dorred dorree dreder droffe droofe edokko effere effode effoff efford effore ekero eored eroded eroder fedder federd feeded feedee feeder feered feeror feodor feofor ferder ferede ferfer ferodo feroke ferred ferrer ferro- ferrod fforde fodder foerde foerre fokker fooder foofoo fooked fooker forded foredo forked forker forrer freddo fredro freeof frefre froofe keefer keeffe keeked keeker keokee kerfed kerker kodkod koedoe koffee kofoed kokoro koodoo kookoo koorde koreke korere korero korkor kororo korrek kreker krokek odored ofdoor oferre offerd offord offred ofrede okeefe okerer ookroo oooooo oordoo orford redded redder redere redfoo redoer redred redroe reeded reeder reefed reefer reeffe reeked reeker reekof refeed refeff reffed reford rerode reroof rodded rodder rodero roeder rokker rokkor roofed roofer rooked rooker rorek