nice nici niea nien niet niia niip niit nina nine nini nipa nipc nipe nipt nita nitb nitc nite niti nnit nnnn nnpi nntn npac npap npat npca npcc npic npin nppa nppc npta nptc npte nptn ntap ntbc ntcc ntia ntpa ntpc paan paap paat paba pabt paca pace paci pact paea paec paen paep paia paib paie pain paip pait pan- pana panc pane pani pann pant papa papb pape papi papp pata pate pati patt pbac pban pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcia pcin pcip pcnt pcpb pcpn pcpp pcte peab peac peai pean peap peat peba peca pece peci pect peec peen peep peet peia pein peip peit pen- pena penc pene peni penn pent pepa pepe pepi peta pete peti petn pett piai pian piat pibb pibi pica picc pice pici pict piea pien piep piet piia piip pina pinc pine pini pinn pinp pint pipa pipe pipi pipp pita pite piti pitt pnac pnca pnea pnec pnet pnic pnin pnpp ppac ppan ppap ppcc ppci ppen ppib ppic ppie pppa pppn pppp ppta pptn pptt ptab ptca ptcc pten pttc taa- taan taat taba tabb tabc tabe tabi taca tacc tace taci tact taec taen taia tain taip tait tana tane tani tann tant tapa tape tapi tapp tapt tata tatb tate tati tatt tbca tbcb tbcc tbce tbit tbta tbtp tcap tcca tccc tcep tcnn tcpa tctc teac tean teat teba teca tect teec teen teet teia teic teie tein teip tena tenb tenc tene teni tenn tenp tent tepa tepe tepi tepp teta tete teti tett tiaa tiab tian tiba tibi tica ticc tice tie- tiea tiee tiei tien tiep tiet tiit tina tinc tine tini tinn tint tip- tipa tipc tipe tipi tipp tipt tita titc tite titi titp titt tnbc tnca tncc tneb tpac tpap tpcp tpia tppa tppp tpte tptp ttab ttbb ttcn ttcp tten tttt