niscy[7]
nicy[6], cisy[6], syci[6], siny[5]
cyi[5], cny[5], cyn[5], cni[4], nic[4], cis[4], sic[4], yin[4], nys[4], sny[4], syn[4]
ci[3], ny[3], in[2], ni[2], si[2]
