dddd didi diii din- dini dinn dint dipn dipp dipt diti ditt dntp dntt dpdt dpin dpni dtdp dttp idid idin idtp iiii iiit iitt ind- indi inid init inni inp- inpi inpp inpt intd inti intn intp ipdi ipid ipin itin n-ii ndnp ndnt ndpd nidd nidi niip niit nind nini nipt niti nnit nnnn nnpi nntn npin nppd nptn ntnd ntpd pdpn piip pind pini pinn pinp pint pipi pipp piti pitt pnin pnpp pntd ppid pppd pppn pppp pptn pptt ptpd tidd tiit tind tini tinn tint tip- tipi tipp tipt titi titp titt tndd tppd tppp tptp tttt