rootom[8],
tomom[8], morom[7], motor[7], ortom[7], rotom[7], torom[7],
omom[6], moro[5], orom[5], root[5], roto[5], toro[5],
tom[5], omo[4], mor[4], oto[4], ort[4], rot[4], tor[4], oro[3],
om[3], ot[3], to[3], or[2], ro[2],