ojki[7], dojo[7], kojo[7], doki[6], kodo[6], ooid[5],
kij[6], jod[6], dok[5], kod[5], doi[4], ido[4], kio[4], koi[4], odo[4], oko[4],
oj[4], id[3], ki[3], do[3], od[3], ko[3], ok[3],
