bomy[8], obym[8], boom[7], obom[7], bosy[7], boso[6], osmy[6], somy[6], osom[5], somo[5],
bym[7], bom[6], mob[6], boy[6], oby[6], omy[5], omo[4], osm[4], som[4], osy[4], oso[3],
by[5], bo[4], my[4], om[3], os[2],
