ferii[9], rewii[5], rewir[5],
efir[8], iwie[4], wiei[4], rwie[4],
ref[7], frr[7], rei[3], wie[3], wii[3], rew[3], wre[3], wir[3], wrr[3],
ef[6], fe[6], fi[6], ii[2], er[2], re[2], ew[2], we[2], iw[2],
