-ana a-ii aaaa aaai aaan aaap aaar aaas aaii aain aais aana aani aanp aapa aapi aaps aara aari aarp aars aasa aasi aass aiai aian aias aiia aiin aiir aina aini ains aipa aipi aips aira airi airp airs aisa aisi aisr ana- anaa anai anan anap anar anas ania anin anip anir anis anna anni anns anp- anpa anpi anpp anpr anri ansa ansi ansp apai apan apap apar apas api- apia apin apip apis apna apni appa appr apps apra apri aprn aprs apsa apsi apss arai aran arap arar aras aria arii arin arip aris arna arni arns arpa arpi arps arr- arra arri arrr arrs ars- arsa arsi asaa asai asan asap asar asas asia asii asin asip asir asis asni aspa aspi aspr asps asra asrs assa assi assn assp assr asss iaaa iaai iaap iaas iaia iain iais iana ians iapa iapp iaps iara iars iasa iasi iasp iasr iias iiii iiis iipa iira iirs iisi iisp iisr inai inan inap inar inas inia inis inna inni innr inns inp- inpa inpi inpp inra inri inrs insa insp inss ipan ipas ipin ipna ippa ippr ipri ipsa ipsi ipsp ipss irai iran irap irar iras iri- iria irin irip iris irna irpa irps irra irri irrs irsa irsp is-a isai isan isar isas isia isin isis isna ispa ispr isps isra isri isrp issa issi issp issr isss n-ii naaa naai naan naar naas naia nain naip nair nais nan- nana nani nann nanp nans napa napi napp naps nara nari narn narp narr nars nas- nasa nasi nasp nasr nass nian nias niia niip niir nina nini nins nipa nipr nips nira nirs nisa nisi nisp niss nnnn nnpi nnpr nnsa nnss npap npas npin nppa npra npri npsa npss nrap nras nrna nrpn nrps nrsa nrsp nsaa nsai nsar nsin nsis nsna nsnr nspi nsps nsra nssa nssp nssr nsss paan paap paar paas paia pain paip pair pais pan- pana pani pann pans papa papi papp papr paps par- para pari parn parp parr pars pasa pasi pasp pass piai pian pias piia piip pina pini pinn pinp pins pipa pipi pipp pips pira piri pirn pirr pirs pisa pisi piss pnar pnas pnin pnpp pnra ppan ppap ppar pppa pppn pppp ppps ppss prai pran prar pras pri- pria prii prin pris prna prnp prps prri prrs prsa prsi prss psap psas psia psip psis psna psni psnr pspi pspp pspr psps psrp pssa raan raas raia raii rain raip rair rais rana rani rann rans rapa rapi rapp raps rara rari rars rasa rasi rasp rass riaa riai rian rias riia riin riis rina rinn ripa ripi ripp ripr rips riri rirs risa risi risp riss rnai rnas rnin rnsp rpii rppn rpps rras rrna rrrr rrsp rsaa rsai rsis rsna rsnn rsnr rsps rssa s-ii saan saap saar saas saia sain saip sair sais sana sani sann sanr sans sapa sapi sapp saps sara sari sarn sarp sarr sars sasa sasi sass siaa siai sian sias sina sini sinn sinp sins sipa sipi sipp sips sira siri sirp sirr sirs sisa sisi siss snap snar snas snia snip snir snns snpp snra snrs sp-a span spap spar spas spia spin spip spir spis spns spps spri sprs spsa spsp spss sras sris srna srni srnn srps srsp ssaa ssan ssap ssas ssin ssis ssns sspa ssps ssra ssri ssrs sssa sssi ssss