-ing dddd didi digg digi diii din- ding dini dinn dipn dipp dizi dizz dpin dpni dzip dzng gggg gidd gidi gigg gigi gign ging gini ginn gipi gipp gizi gizz gnin gnip gpgp gpip gzin gzip idid idig idin igni iiii ind- indi inid inig inni inp- inpi inpp ipdi ipid ipin n-ii ndnp ndpd nidd nidi nigg niip nind ning nini nngn nnnn nnpi npin nppd nzpi nzpp pdpn pgdn pigg pign pigp piip pind ping pini pinn pinp pipi pipp pnin pnpp ppgi ppid ppig pppd pppn pppp zidi zigg zigi ziip zing zinn zipp zizi zizz znng zzzz