cong[7], nogo[6], ogon[6], gron[6], coro[5], nono[4], norn[4], noro[4],
gon[5], gro[5], ogr[5], noc[4], non[3], ono[3], nor[3], oro[3],
go[4], co[3], no[2], on[2], or[2], ro[2],
