brom[7], romb[7], bont[7], bort[7], torb[7], bron[6], morn[5], norm[5], ront[5], tron[5],
cob[6], bom[6], mob[6], bot[6], com[5], moc[5], bon[5], bor[5], rob[5], tom[5], noc[4], mon[4], nom[4], mor[4], not[4], ton[4], ort[4], rot[4], tor[4], nor[3],
bo[4], co[3], om[3], ot[3], to[3], no[2], on[2], or[2], ro[2],
