d-tv dddd ddot ddre ddtv dedd dede dedo deed deer deet deev deor der- dere dero derr derv dete deto detr deve devo dex- dexe dext do-x dod- dodd dode dodo doer dood door doot dord dore doro dorr dort dotd dote doto dott dove dred dree dret drev drod drot dted dtor dtot dtox dttx dtxt dvdr dvor dxdr dxed dxrd dxre dxrr dxrt dxrv dxrx dxxr dxxx edde eddo ede- eder edex edod edtv edve eede eeee eero eete eext eode eore eotd eoto er-x erde ered erer eret erev erod eroe eroo erre erro erve etee eter etoe etox etre etro ette etto etvo ever evet evex evoe evoo evre exed exer exo- exod exor exrx exte extr o-eo oddd oded odeo oder odet odex odoo odor odot oedo oere ooer oooo oord oore oort orde ordo ore- ored oreo orer orex oro- oroe oror orot orro orte orto orve orvr oted otee oter oto- otoe otoo otor otov otre otro otte otto ovde ovee over ovet ovo- ovod ovoo ovot ovre oxer oxo- oxox oxxo rder rdev redd rede redo redr redx reed reet reev reod reot rerd rere rero rert retd rete reto retr rett revd reve revo rexx rodd rode rodo roed roer roet roev rood roor root roox rore roro rort rote roto rotr rott rove rovo roxo rred rrrr rtdt rtee rtex rtve rved rver rxvt tdor tdtv tedd tede tedx teed teer teet teev teor ter- tere tero terr tete teto tetr tett tetx text todd tode todo todt toed toee toer toet tood toor toot tord tore toro torr tort torv torx totd tote toto totr tott tove tovo tox- toxo toxt tre- tred tree treo tret trev trex trod troe troo trot trox trte trtr tteo tter ttoe tttt tver tvro tvrr tvtv txtr vder vdot vdre vede vedo veer veet veor ver- verd vere vero vert vete veto vetr veve vevo vext vexx vode vodo voer voet voor voot vor- vord vore voro vort votd vote voto voxx vred vreo vret vrot vrto vrtx vt-x vver vvvv x-ed xdvd xeer xer- xero xert xexe xoro xote xove xoxo xrod xtro xxxo xxxv xxxx