brom[7], romb[7], lnom[6], bron[6], morn[5], norm[5],
bol[6], lob[6], bom[6], mob[6], mol[5], bon[5], bor[5], rob[5], mon[4], nom[4], lor[4], rol[4], mor[4], nor[3],
bo[4], om[3], no[2], on[2], or[2], ro[2],
