dddd ddie dedd dede dedi deed deef deet defe deff defi deft deid deie deif deit dete dfdt dide didi died dief diet dif- diff diii dite diti ditt dted edde eddi ede- edei edie edif edit eede eeee eefe eete efet effi efit eft- eid- eide eidi eied eiei eiti etee etfe ette etti fdti fede fedi feed feet fefe feff fefi feid feie feit fete feti fett ffee ffff ffii fftf fide fidf fief fife fiff fifi fift fiii fite fiti fitt ftdi ftii ided idee idef idid idie ieet ieie ietf iett ifid ifit iide iied iiie iiii iiit iitt itet itie itif ittf tdff tedd tede tedi teed teef teet teff tefi teft teie tete teti tett tidd tide tie- tied tiee tief tiei tiet tiff tift tiit tite titi titt ttff tttt