pogo[10], woog[9], swap[9], opas[8], soap[8], sago[6],
opa[7], pos[7], wog[7], pas[6], spa[6], wag[6], sog[5], was[5], gas[4], sag[4],
po[6], wo[5], go[4], os[3], so[3], as[2],
