nart[5], rant[5], tran[5], stan[5], astr[5], star[5], tras[5], sarn[4],
ant[4], nat[4], tan[4], rat[4], tar[4], tra[4], nar[3], ran[3], ans[3], nas[3], san[3], ars[3], ras[3], sra[3],
at[3], ta[3], ts[3], na[2], ar[2], as[2],
