tipi[6], pito[6], topi[6], wtop[6], piwo[5], wpoi[5], twoi[5], wito[5],
pit[5], pot[5], top[5], poi[4], toi[4], piw[4], wii[3], iwo[3], owi[3], wio[3],
pi[3], op[3], po[3], ot[3], to[3], ii[2], iw[2],
