de-err dededo deeded deedee deeder deedto defete deffer deford defore defter deodeo deorro derere derfde derrer dertod deterr detete detort detter dodded dodder dododo doffed doffer doofer doored doorto dooted dorfer dorood dororo dorred dorree dorter dotdot dotodo dotted dotter dreder droffe droofe effere effete effode effoff efford effore effort efreet efter- eored eototo eroded eroder eroto- errett etoeot ettore fedder federd feeded feedee feeder feedto feered feeror feetof feodor feofor ferder ferede ferfer ferodo ferred ferrer ferret ferro- ferrod fertee ferter fertod fetter fforde fodder foerde foerre foeto- foetor fooder foofoo footed footer forded foredo forrer forrot forted fortee forter freddo fredro freeof freeto frefre frette froofe fterer fterre odette odored oerter ofdoor oferre offeet offerd offord offred ofrede oftfor oofotr oooooo oordoo orford otford ottoor r-tree redded redder reddot redere redfoo redoer redred redroe redrot redted reeded reeder reefed reefer reeffe refeed refeet refeff refert refete reffed refoot reford refret refter rerode reroof reroot reteed reteer reteet reteoo retere retore retort retree retret retro- retrod retrot retted retter rodded rodder rodero roeder roofed roofer rooted rooter rootof rootte rorodt rorted rorter rotted rotter t-tree tedded tedder teeder teeoff teetee teeter teodor teredo terete terreo terrer terret terror terrot terter tertre tetede tetete tetter to-fro todder todote toetoe tofeed toffee tofore toofer tooted tooter tootoo toredo torero torfer torodo toroed tororo torret tortor totoro totrot totted totter treder treeof treete trefet trefor trefot trefte tretee trette troffe trotro trotte ttored