-ana a-ii aaaa aaab aaai aaan aaap aaar aaas aaba aabb aabi aabp aaib aaii aain aais aana aani aanp aapa aapi aaps aara aari aarp aars aasa aasi aass abaa abab abai aban abap abar abas abb- abba abbb abbi abbr abbs abia abib abin abir abis abpa abpi abpn abpp abpr abps abra abri abrs abs- absa absi absp abss aiai aian aias aiba aibn aiia aiib aiin aiir aina aini ains aipa aipi aips aira airi airp airs aisa aisb aisi aisr ana- anaa anab anai anan anap anar anas anba anbb anbi ania anib anin anip anir anis anna annb anni anns anp- anpa anpi anpp anpr anri ansa ansi ansp apai apan apap apar apas apba apbr apbs api- apia apin apip apis apna apni appa appr apps apra apri aprn aprs apsa apsi apss arab arai aran arap arar aras arba arbi arbs aria arib arii arin arip aris arna arni arns arpa arpi arps arr- arra arri arrr arrs ars- arsa arsi asaa asab asai asan asap asar asas asba asia asii asin asip asir asis asni aspa aspi aspr asps asra asrs assa assi assn assp assr asss ba-i baaa baan baar baas baba babb babi babr babs baia baib bain bair bais bana bani bann banp banr bans bapa bapi bapp baps bar- bara barb bari barn barr bars basa basi bass bbas bbbb bbbs bbin bbpr bian biap biar bias biba bibb bibi bibs biin biis bin- bina bini binn bins bipa bipp bips bira birb biri birn birr birs bis- bisa bisp biss bnai bnas bnib bnin bnpp bnrr bnss bpai bpsa brab brai bran bras bria brin bris brna brns brrr brrs brsb brsr bsaa bsap bsas bsin bsns bspp bspr bsra iaaa iaai iaap iaas iaba iaia iain iais iana ians iapa iapp iaps iara iars iasa iasi iasp iasr iban ibar ibas ibia ibis ibns ibra ibri ibsa ibsn ibss iias iiii iiis iipa iira iirs iisi iisp iisr inab inai inan inap inar inas inba inia inis inna inni innr inns inp- inpa inpi inpp inra inri inrs insa insp inss ipan ipas ipba ipin ipna ippa ippr ipri ipsa ipsi ipsp ipss irai iran irap irar iras irbp iri- iria irin irip iris irna irpa irps irra irri irrs irsa irsp is-a isai isan isar isas isba isbn isia isin isis isna ispa ispr isps isra isri isrp issa issi issp issr isss n-ii naaa naab naai naan naar naas naba nabi nabs naia naib nain naip nair nais nan- nana nanb nani nann nanp nans napa napb napi napp naps nara nari narn narp narr nars nas- nasa nasb nasi nasp nasr nass nbaa nbap nbar nbas nbia nbpa nbpp nbps nbsp niab nian nias nibi nibs 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 nrab nrap nras nrna nrpn nrps nrsa nrsp nsaa nsai nsar nsin nsis nsna nsnr nspi nsps nsra nssa nssb nssp nssr nsss paan paap paar paas paba paia paib pain paip pair pais pan- pana pani pann pans papa papb papi papp papr paps par- para pari parn parp parr pars pasa pasi pasp pass pban pbar pbpa pbrs pbsa pbsp piai pian pias pibb pibi 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 ppib pppa pppn pppp ppps ppss prai pran prar pras prbs pri- pria prii prin pris prna prnp prps prri prrs prsa prsi prss psap psas psbr psia psip psis psna psni psnr pspi pspp pspr psps psrp pssa raab raan raas raba rabb rabi rabs raia raii rain raip rair rais rana rani rann rans rapa rapi rapp raps rara rarb rari rars rasa rasi rasp rass rbbb rbbr rbbs rbis rbsp rbss riaa riab riai rian rias rib- riba ribs riia riin riis rina rinn ripa ripi ripp ripr rips riri rirs risa risi risp riss rnai rnas rnbr rnin rnsp rpii rppn rpps rras rrna rrrr rrsp rsaa rsai rsbi rsis rsna rsnn rsnr rspb rsps rssa s-ib s-ii saab saan saap saar saas saba sabb sabi sabr sabs saia sain saip sair sais sana sani sann sanr sans sapa sapi sapp saps sara sari sarn sarp sarr sars sasa sasi sass sbaa sbai sbar sbas sbbs sbia sbsa sbsi sbsp siaa siab siai sian sias siba sibi sibs sina sini sinn sinp sins sipa sipi sipp sips sira siri sirp sirr sirs sisa sisi siss snab snap snar snas snba snia snib snip snir snns snpp snra snrs sp-a span spap spar spas spia spib spin spip spir spis spns spps spri sprs spsa spsp spss sras srib sris srna srni srnn srps srsp ssaa ssab ssan ssap ssas ssbn ssbr ssin ssis ssns sspa ssps ssra ssri ssrs sssa sssb sssi ssss