n-tv nnnn nnot nntn nnvt non- nonn nono nont nonu noo- noon nooo noot noov not- noto nott notv noun nout nov- novo ntnu ntto nttv nunn nuno nunt nuon nutt nutu nuvo nvtv onno onon ont- onto ontv onut oont oooo oto- oton otoo otov otto ottu oun- out- outo ouu- ovo- ovon ovoo ovot tnut tonn tono tonu toon toot toto tott toun tout touv tovo tton tttt tunn tuno tunu tuto tutt tutu tuuo tvon tvtv unno unon unov unto untv unut uovo utto uttu uuno uuuu uvvu vnto vonn vont voot voto voun vout vtun vuno vutv vvvv