irin irip irna irpa irpc irra irrc irri n-ii naaa naab naac naag naai naan naar naba nabc nabi naca nacc nach naci nacp naga nagc nagi naha nahi nahr naia naib naic naig nain naip nair nan- nana nanb nang nani nann nanp napa napb napg napi napp nara narc narg narh nari narn narp narr nbaa nbap nbar nbbc nbca nbcc nbci nbia nbic nbpa nbpp ncaa ncac ncap ncar ncba ncbc ncbi ncca nccc ncci nccn nccp nccr ncga ncgr ncha nchc ncia ncip ncna ncnc ncpa ncpc ncra ncrc ncri ncrp ngab ngac ngai ngan ngia ngic ngpc ngri nhcc nhnn nhpi nhra nhrc nhrp niab niac nian nibi nica nicc nich nici nigc nigg nigh niha niia niip niir nina ning ninh nini nipa nipc nipr nira nngn nnnn nnpi nnpr npac npap npca npcc npic npin nppa nppc npra npri nrab nrap nrca nric nrna nrpc nrpn nrrc paag paan paap paar paba paca pach paci paga pagb pagh paha pahi pahp paia paib paig pain paip pair pan- pana panc pang panh pani pann papa papb papg papi papp papr par- para parc parg pari parn parp parr pbac pban pbar pbcc pbgc pbpa pcaa pcap pcba pcbc pcca pccc pcgg pcha pchp pcia pcin pcip pcpb pcpn pcpp pcra pcrc pgaa pgcc pgia pgib pgrc phag phah phai phan phar phcc phi- phin phip phpa phrr piai pian pibb pibi pica picc pich pici picr piga pigb pigc pigg pigh pign pigp piha piia piip pina pinc ping pini pinn pinp pipa pipi pipp pira pirc pirg piri pirn pirr pnac pnar pnca pnic pnin pnpp pnra ppac ppan ppap ppar ppcc ppci ppga ppgi pphi ppib ppic ppig ppih pppa pppn pppp pprc prag prai pran prar prbc prca prcc prcp pri- pria prig prii prin prna prnp prri raab raag raan raba rabb rabi rac- raca racc rach raci raga ragg ragh ragi raha rahi rahn rahr raia raic raig raii rain raip rair rana ranc rang rani rann rapa rapc raph rapi rapp rara rarb rari rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rcic rcnr rcpi rcrg rgan rgba rgbi rhag rhap rhbg rhcg rhcp rhib rhin riaa riab riah riai rian rib- riba rica ricc rich riga rigg righ rigi riha riia riin rina ring rinn ripa ripi ripp ripr riri rnag rnai rnbr rncp rnin rpca rpga rpii rppn rrah rrna rrrr