fiu[9], fru[9], fur[9], ruf[9], frr[7], idu[6], dur[6], rud[6], urd[6], dwu[6], rui[5], rur[5], drr[4], diw[4], wid[4], wir[3], wrr[3],
fu[8], uf[8], fi[6], ud[5], wu[4], id[3], iw[2],
