fobom[12], fobio[11],
bimo[7], biom[7], boom[7], obom[7], oboi[6], oiom[5],
fob[9], bim[6], bom[6], mob[6], boi[5], obi[5], moi[4], omo[4],
fi[6], bi[4], bo[4], im[3], mi[3], om[3],
