rigg[6], gagt[6], gart[5], grat[5], ragt[5], trag[5], grit[5],
gag[5], gig[5], arg[4], gar[4], rag[4], gat[4], tag[4], air[3], rai[3], tai[3], art[3], rat[3],
ai[2], ar[2], ti[2],