borom[8], robom[8], brosm[8], rosom[6],
boom[7], obom[7], brom[7], romb[7], boro[6], robo[6], boso[6], moro[5], orom[5], osom[5], somo[5], mors[5], srom[5], roso[4],
bom[6], mob[6], bor[5], rob[5], omo[4], mor[4], osm[4], som[4], oro[3], oso[3], ros[3],
bo[4], om[3], or[2], ro[2], os[2],
