pigwo[8],
pigw[7], pipo[6], popi[6], wigi[6], piwo[5], wpoi[5],
goi[5], ogi[5], pip[5], pop[5], wig[5], poi[4], piw[4], wii[3], iwo[3], owi[3], wio[3],
go[4], pi[3], op[3], po[3], ii[2], iw[2],
