-ana a-ii aaaa aaab aaai aaan aaar aaas aaba aabb aabi aaib aaii aain aais aana aani aara aari aars aasa aasi aass abaa abab abai aban abar abas abb- abba abbb abbi abbr abbs abia abib abin abir abis abra abri abrs abs- absa absi abss aiai aian aias aiba aibn aiia aiib aiin aiir aina aini ains aira airi airs aisa aisb aisi aisr ana- anaa anab anai anan anar anas anba anbb anbi ania anib anin anir anis anna annb anni anns anri ansa ansi arab arai aran arar aras arba arbi arbs aria arib arii arin aris arna arni arns arr- arra arri arrr arrs ars- arsa arsi asaa asab asai asan asar asas asba asia asii asin asir asis asni asra asrs assa assi assn assr asss ba-i baaa baan baar baas baba babb babi babr babs baia baib bain bair bais bana bani bann banr bans bar- bara barb bari barn barr bars basa basi bass bbas bbbb bbbs bbin bian biar bias biba bibb bibi bibs biin biis bin- bina bini binn bins bira birb biri birn birr birs bis- bisa biss bnai bnas bnib bnin bnrr bnss brab brai bran bras bria brin bris brna brns brrr brrs brsb brsr bsaa bsas bsin bsns bsra iaaa iaai iaas iaba iaia iain iais iana ians iara iars iasa iasi iasr iban ibar ibas ibia ibis ibns ibra ibri ibsa ibsn ibss iias iiii iiis iira iirs iisi iisr inab inai inan inar inas inba inia inis inna inni innr inns inra inri inrs insa inss irai iran irar iras iri- iria irin iris irna irra irri irrs irsa is-a isai isan isar isas isba isbn isia isin isis isna isra isri issa issi issr isss n-ii naaa naab naai naan naar naas naba nabi nabs naia naib nain nair nais nan- nana nanb nani nann nans nara nari narn narr nars nas- nasa nasb nasi nasr nass nbaa nbar nbas nbia niab nian nias nibi nibs niia niir nina nini nins nira nirs nisa nisi niss nnnn nnsa nnss nrab nras nrna nrsa nsaa nsai nsar nsin nsis nsna nsnr nsra nssa nssb nssr nsss raab raan raas raba rabb rabi rabs raia raii rain rair rais rana rani rann rans rara rarb rari rars rasa rasi rass rbbb rbbr rbbs rbis rbss riaa riab riai rian rias rib- riba ribs riia riin riis rina rinn riri rirs risa risi riss rnai rnas rnbr rnin rras rrna rrrr rsaa rsai rsbi rsis rsna rsnn rsnr rssa s-ib s-ii saab saan saar saas saba sabb sabi sabr sabs saia sain sair sais sana sani sann sanr sans sara sari sarn sarr sars sasa sasi sass sbaa sbai sbar sbas sbbs sbia sbsa sbsi siaa siab siai sian sias siba sibi sibs sina sini sinn sins sira siri sirr sirs sisa sisi siss snab snar snas snba snia snib snir snns snra snrs sras srib sris srna srni srnn ssaa ssab ssan ssas ssbn ssbr ssin ssis ssns ssra ssri ssrs sssa sssb sssi ssss