afro[8], arfo[8], faro[8], fora[8], orfa[8], rafo[8], wora[4], warw[4],
arf[7], far[7], raf[7], for[7], orf[7], aro[3], ora[3], owa[3], rwa[3], war[3], rwo[3], wow[3],
fa[6], ar[2], or[2], ro[2],
