enbu[8], webu[8], nieb[6], unie[6], winu[6], ewie[4],
buu[9], bun[7], bee[5], ben[5], bin[5], ibn[5], web[5], wun[5], nie[3], ewe[3], wie[3], wen[3], niw[3], win[3],
bu[6], uu[6], be[4], bi[4], nu[4], wu[4], ee[2], en[2], in[2], ni[2], ew[2], we[2], iw[2],