pipy[7], nipy[6], piny[6], niwy[5], winy[5], wiry[5],
pip[5], pyr[5], ryp[5], nip[4], pin[4], pni[4], piw[4], yin[4], iwy[4], rwy[4], wyr[4], inr[3], niw[3], win[3], wir[3],
pi[3], ny[3], wy[3], in[2], ni[2], iw[2],
