buk[8], koi[7], kor[7], ufo[7], kid[6], bio[6], obi[6], kir[6], bor[6], ruf[6], kur[6], ido[4], iod[4], rod[4], roi[4], duo[4], dir[3], dur[3],
ob[5], bi[4], do[3], od[3], du[2], ud[2], ui[2], ur[2],
