e-werk effere effete effoff effore effort efreet efter- ekero eototo eroto- errett etoeot ettore ewerer feeror feetof fekete feofor ferfer feroke ferrer ferret ferro- fertee fertek ferter fetter fewtee fewter foerre foeto- foetor fokker foofoo fooker footer forker forket forrer forrot forrow fortee forter fortwo forwot fowker freeof freeto frefre frette froofe frower fterer fterre k-tree keefer keeffe keeker keokee keowee kereft kerewe kerfot kerker kertee kertok ketter koffee kokoro kokott kookoo kootoo koreke korere korero korkor kororo korrek kotkow kotoko kotowo kotter kottke kowter kowtow krefft kreker kretek krokek kroket krotte krowor ktetor kwekwe o-week oerter oferre offeet oftfor okeefe okerer oofotr ookroo oooooo orkowo ortrow otowko ottoor owreke r-tree reefer reeffe reeker reekof refeet refeff refert refete refoot refret refter rekowo reroof reroot reteer reteet reteoo retere retkow retook retore retort retree retret retro- retrot retter rewere rewoke rewore rework rokete rokker rokket rokkor rokowt roofer rooker rooter rootof rootte rorek rorter rotork rotter rowett rowffe rowrow rwtowr t-tree teeoff teetee teeter teketo terete terreo terrer terret terror terrot terter tertre tetete tetter to-eke to-fro toetoe toffee tofore toofer toofew tookto tooter tootoo torero torfer torker tororo torret tortor totoro totowe totrot totter towker towret treeof treete treewe trefet trefor trefot trefte treker treowe tretee trette troffe troker trotro trotte trower trowet twofer twofor tworow weeker weetot weewee wefere weffer wekker wertew wertow wetere wetter wewere wework woofer woowoo worker worowe worowo worret worrow wotter wottoo wowwee wreeke wrette wroteo wrotte wtorek