bigo[8], bogi[8], boki[7], kogi[7], kipo[6], kopi[6], okpi[6], piko[6],
big[7], gib[7], gik[6], bok[6], kog[6], boi[5], obi[5], goi[5], ogi[5], kip[5], kpi[5], pik[5], kop[5], kio[4], koi[4], poi[4],
bi[4], bo[4], go[4], ki[3], ko[3], ok[3], pi[3], op[3], po[3],
