aaren[5], arena[5],
orca[8], core[8], acre[7], aare[4], aren[4],
car[6], cer[6], aar[3], ara[3], are[3], ran[3], ern[3], ren[3],
on[3], aa[2], an[2], na[2], ne[2], ar[2], er[2], re[2],
