e-toll e-tool efeler effere effete effoff effolo effore effort efreet efter- ekero ekolot el-tor eleele elekte eletot elktoe ellett ellore elotro eltoro eltrot eototo eroto- errett erroll etoeot ettore feeler feelok feeror feetof fekete felker feller felloe fellto felter feltok feltre feofor ferfel ferfer ferlot feroke ferrel ferrer ferret ferro- ferrol fertee fertek ferter fetter fettle fleete fleeto fleker flekke fletre floree florek floret florke floroe flotel floter flotte foelle foerre foeto- foetor fokker folker foller follet foofle foofoo fooker fooler footer footle forkel forker forket forlet forlot forrel forrer forrot fortee forter freele freeof freeto frefre frekel frelte fretel frette frollo froofe frootl frrole fterer fterre k-tool k-tree keefer keeffe keeker keekle keeler keffel kelkel kelkoo kellee keller kelloe kelter keokee kereft kerfot kerker kertee kertok ketler ketole ketter kettle kleeer kleket klokot klotok klotte koelle kofele koffee koffle kofler kokele kokell kokole kokolo kokoro kokott kollel koller kollet kololo kookoo kootoo koreke korell korere korero korkor korle kororo korrek kotler kotoko kotter kottke krefft krekel kreker kretek krokek kroket krotte ktetor leelee leeloo leerer leetle leetor leffel lefort lefter leftto lekker lekoro leolo leroro lerret letoff letter letto- lettre llello lloro lo-tel loffre lofter loftet lokere lokole loller loltre lookee looker lookto looloo looter loreto lorrer lortet lot-ek lotoko lotter lottre oelfke oerter oferre offeet offlet oflete oftfor okeefe okello okerer okolek okollo oleelo oleole olette oofotr ookroo oolert oooooo orelle orloff orrell ortler otello otoole ottoor r-tree re-let reefer reeffe reeker reekof reeler reelto refeel refeet refeff refell refelt refert refete reflee reflet refloo refoot refret refter releef releke reller relook rereel reroll reroof reroot reteer reteet retell reteoo retere retook retool retore retort retree retret retro- retrot rettel retter ro-tel roelof roffle roflol rokete rokker rokket rokkor rolfer rolleo roller rollot roloff roofer rooker rookle rooter rootle rootof rootte rorek rorter rotolo rotork rottel rotter rottle t-tree teeoff teetee teeter teketo telefe telele teleo- telete telfer tellee teller tellof tellok tellor tellto terete terkel terrel terreo terrer terret terror terrot terter tertre tetele tetete tetrol tetter to-eke to-fro toetoe toffee tofore tolere toller tollet toloke tolter tooele toofer tookto tooler tooter tootle tootoo torero torfel torfer torfle torker torolf tororo torret tortel tortle tortor totell totoro totrot totter tottle treeof treete trefet trefle trefor trefot trefte treker trello tretee trette trofel troffe trokel troker trolle trollt trotro trotte