iter itet itia itie itin itpa itra itri itta n-ii naaa naab naag naai naan naar naat naba nabe nabi naea naga nage nagi naia naib naie naig nain naip nair nait nan- nana nanb nane nang nani nann nanp nant napa napb nape napg napi napp napt nara nare narg nari narn narp narr nart nata nate nati natp natt nbaa nbap nbar nber nbia nbpa nbpp nbti neab nean neap near neat neba nebb nebe nebn nebr neea neeb neei neen neep neer neet nega nege negi negp neia nein neip neir neit nena nene neng neni nent nepa nepe nepi nepr nept nera nere neri nerr nert net- neta netb nete neti nett ngab ngai ngan ngen nger ngia ngri ngtn niab nian nibe nibi niea nien nier niet nige nigg nigt niia niip niir niit nina nine ning nini nipa nipe nipr nipt nira nire nirt nita nitb nite niti nitr nngn nnit nnnn nnpi nnpr nntn npap npat npin nppa npra npri nprt npta npte nptn nrab nrap nren nrna nrpn nrta ntap nter ntia ntpa nttr paag paan paap paar paat paba pabt paea paen paep paer paga pagb page paia paib paie paig pain paip pair pait pan- pana pane pang pani pann pant papa papb pape papg papi papp papr par- para pare parg pari parn parp parr part pata pate pati patr patt pban pbar pbpa peab peag peai pean peap pear peat peba peen peep peer peet pega pegg peia pein peip peir peit pen- pena pene peng peni penn pent pepa pepe pepi per- pera pere perg peri pern perp perr pert peta pete peti petn petr pett pgaa pger pgia pgib piai pian piat pibb pibi piea pien piep pier piet piga pigb pigg pign pigp pigt piia piip pina pine ping pini pinn pinp pint pipa pipe pipi pipp pira pire pirg piri pirn pirr pita pite piti pitr pitt pnar pnea pnet pnin pnpp pnra pntr ppan ppap ppar ppen pper ppga ppgi ppib ppie ppig pppa pppn pppp ppta pptn pptt prae prag prai pran prar prat pre- preb pree preg pren prep pret pri- pria prie prig prii prin prna prnp prri prti prtp prtr ptab pten pter raab raag raan raat raba rabb rabe rabi raeg raen raep raer raga rage ragg ragi raia raie raig raii rain raip rair rait rana rane rang rani rann rant rapa rape rapi rapp rapt rara rarb rare rari rata rate rati ratp ratt rbbb rbbr rea- reae rean reap rear reat reba rebb rebe reeb reen reep reet rega rege regi regn regr regt reia reii rein reir reit rena rene reng reni renn rent repe repi repp repr rept rera rere rerg reri rert reta rete reti retr rett rgan rgba rgbe rgbi rgit rgtr riaa riab riai rian riat rib- riba ribe rien riep rier riet riga rige rigg rigi riia riin rina rine ring rinn ripa ripe ripi ripp ripr ript rire riri rita rite riti ritt rnag rnai rnbr rnie rnin rnnt rntp rpet rpga rpii rppn rpta rptn rrat rrna rrrr rtai rtan rtee rtei rtpa rttp taa- taag taan taar taat taba tabb tabe tabi taen taer taga tage tagg tagi taia taig tain taip tair tait tana tane tang tani tann tant tapa tape tapi tapp tapr tapt tara tarb tare targ tari tarn tarp tarr tart tata tatb tate tati tatr tatt tbar tbit tbrb tbta tbtp tean tear teat teba teen teer teet tega tegg tegi tegt teia teie tein teip teir tena tenb tene teng teni tenn tenp tent tepa tepe tepi tepp ter- tera tere teri tern terp terr teta tete teti tetr tett tiaa tiab tian tiar tiba tibi tie- tiea tiee tiei tien tiep tier tiet tiga tige tigi tigr tiit tina tine ting tini tinn tint tip- tipa tipe tipi tipp tipt tira tirb tire tiri tirr tita tite titi titp titt tnag tneb tnge tpap tpbg tpeg tper tpia tpir tppa tppp tppr tpte tptp tptr traa trab trae trag trai tran trap trat tre- trea tree treg trei tren tret trge tri- tria trib trie trig trin trip trit trna trng trpa trpe trpg trpn trpp trra trte trtr ttab ttbb tten tter tttt