sybill[11], iblisy[10],
billi[9], iblis[8], ibisy[8], silli[7],
bill[8], byli[8], bili[7], bisy[7], ibis[6], sill[6], lisy[6], lisi[5], sili[5],
bil[6], bis[5], lis[4], sil[4],
by[5], bi[4], li[3], ii[2], si[2],
