d-tv dddd ddot ddre ddtv dedd dede dedo deed deef deer deet deev defe deff defo deft deor der- dere derf dero derr derv dete deto detr deve devo dfdt dfer dfoe dfrf dftr dod- dodd dode dodo doer doff dood doof door doot dord dore dorf doro dorr dort dotd dote doto dott dove dred dree dref dret drev drod drof drot dted dtor dtot dvdr dvfr dvor edde eddo ede- eder edod edtv edve eede eeee eefe eero eete efeo efet efor eft- eode eore eotd eoto erde erdf ered erer eret erev erft erod eroe eroo erre erro erve etee eter etfe etoe etre etro ette etto etvo ever evet evoe evoo evre fdot fede feed feer feet fefe feff fefo feod feof ferd fere fero ferr fert ferv fete fetr fett fetv feve fevr ffee ffff ffrr fftf fode foed foer fofo food foof foot for- ford fore foro forr fort fote foto fott fove fr-v fred free freo fret froe frot frvt fter o-eo oddd oded odeo oder odet odoo odor odot oedo oere ofdr ofer off- offe offo offr ofor ofre ooer ooff oooo oord oore oort orde ordo ore- ored oreo orer orfe orff oro- oroe orof oror orot orro orte orto orve orvr oted otee oter oto- otoe otof otoo otor otov otre otro otte otto ovde ovee over ovet ovo- ovod ovoo ovot ovre rder rdev redd rede redo redr reed reef reet reev refd refe reff refr reft reod reof reot rerd rere rero rert retd rete reto retr rett revd reve revo rfef rodd rode rodo roed roer roet roev rofe roff rofo rood roof roor root rore roro rort rote roto rotr rott rove rovo rred rrrr rtdt rtee rtve rved rver tdff tdor tdtv tedd tede teed teef teer teet teev teff teft teor ter- tere terf tero terr tete teto tetr tett tfot todd tode todo todt toed toee toer toet toff tofo toft tood toof toor toot tord tore torf toro torr tort torv totd tote toto totr tott tove tovo tre- tred tree tref treo tret trev trfd trfr trod troe troo trot trte trtr tteo tter ttff ttoe tttt tver tvro tvrr tvtv vder vdot vdre vede vedo veer veet veor ver- verd vere vero vert vete veto vetr veve vevo vfor vode vodo voer voet voff vofr voor voot vor- vord vore voro vort votd vote voto vred vref vreo vret vrot vrto vver vvvv