efa[7], fai[7], efo[7], ewa[3], iwa[3], wie[3], owa[3], ewo[3], owe[3], iwo[3], owi[3], wio[3], owo[3],
fa[6], ef[6], fe[6], fi[6], eo[2], ew[2], we[2], iw[2],
