anoa[4], arna[4], rana[4], aron[4], nora[4], orna[4], rano[4],
aaa[3], ana[3], ano[3], ona[3], ara[3], nar[3], ran[3], aro[3], ora[3], nor[3],
aa[2], na[2], no[2], on[2], ar[2], or[2], ro[2],
