bomy[8], obym[8], brom[7], romb[7], bory[7], roby[7], rybo[7], mory[6],
bym[7], bom[6], mob[6], boy[6], oby[6], bry[6], ryb[6], bor[5], rob[5], omy[5], rym[5], mor[4],
by[5], bo[4], my[4], om[3], or[2], ro[2],
