pito[6], topi[6], trip[6], port[6], prot[6], trop[6], wtop[6], trio[5], troi[5], piwo[5], wpoi[5], twoi[5], wito[5], witw[5],
pit[5], pot[5], top[5], poi[4], por[4], pro[4], rop[4], toi[4], itr[4], tir[4], tri[4], ort[4], rot[4], tor[4], piw[4], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3], wow[3],
pi[3], op[3], po[3], ot[3], to[3], or[2], ro[2], iw[2],
