ceecee cerco- cerete cerote certco cetore cocco- cococo cocto- coerce cofere cofete coffee coffer coffre coo-er coocoo coofer cooter corect corteo cortot cotote cotter crecco creete creote crocco crocer croote ecotec ectro- eerect efecte effect effere effete effoff effore effort efreet efter- eototo eroto- errett etcetc etoeot ettore feeror feetof feofor ferfer feroce ferrer ferret ferro- fertee ferter fetter foerre foeto- foetor foofoo footer forcer forcet forrec forrer forrot fortee forter freeof freeto frefre frette froofe fterer fterre ocreo- octett octree oerter oferre offeet oftfor oofotr oooooo otocec ottoor r-tree re-foc recoct recore recreo recto- rector reefer reeffe refect refeet refeff refert refete refoot refret refter reroof reroot retece reteer reteet reteoo retere retore retort retree retret retro- retrot retter rococo rocoto roofer rooter rootof rootte rorter rotter t-tree tecto- tector teeoff teetee teeter tercer tercet terete terreo terrer terret terror terrot terter tertre tetete tetter tforce to-fro toccer toetoe toffee tofore toofer tooter tootoo torcec torero torfer tororo torret tortor totoro totrot totter tr-rec treece treeof treete trefet trefor trefot trefte tretee trette troffe trotec trotro trotte