d-tv dddd ddot ddtv dntt dod- dodd dodo dond donn dono donr dont dood doon door doot dord dorn doro dorr dort dotd doto dott drno drod dron drot drvn dtor dtot dvdr dvno dvnt dvor n-tv nddo ndnt ndor ndtv nnnn nnot nntn nnvt nodo non- nonn nono nont noo- noon nooo noor noot noov nor- nord norn noro norr nort norv not- noto nott notv nov- novo nron nrrd ntnd ntto nttr nttv nvtv oddd odon odoo odor odot ondo onno onod onon onor ont- onto ontv oont oooo oord oort ordn ordo orno oro- oron oror orot orro orto orvr oto- oton otoo otor otov otro otto ovo- ovod ovon ovoo ovot rnnt rnod rnot rntd rodd rodo rond rono ront rood roon roor root roro rort rotn roto rotr rott rovo rrrr rtdt rtnd tdor tdtv tndd todd todo todt tonn tono tood toon toor toot tord torn toro torr tort torv totd toto totr tott tovo trno trod tron troo trot trtr tton tttt tvon tvro tvrr tvtv vdot vnto vodo vond vonn vont voor voot vor- vord voro vort votd voto vrnn vron vrot vrto vvvv