-ana a-ii aaaa aaab aaaf aaai aaan aaas aaba aabb aabi aafa aafb aaff aafi aaib aaii aain aais aana aani aasa aasf aasi aass abaa abab abaf abai aban abas abb- abba abbb abbi abbs abff abia abib abin abis abs- absa absf absi abss afaa afan afbs affa affi affs afia afib afif afin afis afsa afsb aiai aian aias aiba aibn aiff aifs aiia aiib aiin aina aini ains aisa aisb aisi ana- anaa anab anai anan anas anba anbb anbi anfa ania anib anif anin anis anna annb anni anns ansa ansf ansi asaa asab asaf asai asan asas asba asfa asfi asia asif asii asin asis asni assa assi assn asss ba-i baaa baaf baan baas baba babb babi babs baff baia baib bain bais bana bani bann bans basa basf basi bass bbas bbbb bbbs bbfn bbin bfas bffs bfsi biaf bian bias biba bibb bibi bibs bifa biff bifi biin biis bin- bina bini binn bins bis- bisa biss bnai bnas bnib bnin bnss bsaa bsas bsfa bsff bsfs bsin bsns faaa faan faas faba fabi fabs fafa faff fafi fain fais fana fani fans fasa fasi fasn fass fbis ffff ffii ffsa ffss fiaa fiaf fian fias fiba fibs fifa fiff fifi fiii fina fini finn fins fisa fisi fiss fsai fsas fsfi fsia fssa fssf iaaa iaai iaas iaba iaff iaia iain iais iana ians iasa iasi iban ibas ibfi ibia ibis ibns ibsa ibsf ibsn ibss ifaa ifan ifas ifbb ifis ifni ifns ifsa ifsb iias iifa iiii iiis iisi inab inaf inai inan inas inba infa infi infs inia inis inna inni inns insa inss is-a isaf isai isan isas isba isbn isfa isia isin isis isna issa issf issi isss n-ii naaa naab naai naan naas naba nabf nabi nabs nafa naff nafi nafs naia naib naif nain nais nan- nana nanb nani nann nans nas- nasa nasb nasf nasi nass nbaa nbaf nbas nbfa nbia nfaa nfas nfff nfia nfib niab niaf nian nias nibi nibs nifa niff niia nina nini nins nisa nisi niss nnnn nnsa nnss nsaa nsai nsfs nsin nsis nsna nssa nssb nssf nsss s-ib s-ii saab saaf saan saas saba sabb sabi sabs safa safb saff safi saia saif sain sais sana sani sann sans sasa sasf sasi sass sbaa sbai sbas sbbs sbia sbsa sbsi sfas sfba sfia sfnb sfss siaa siab siaf siai sian sias siba sibi sibs sifa siff sina sini sinn sins sisa sisi siss snab snas snba snia snib snns ssaa ssab ssan ssas ssbn ssin ssis ssns sssa sssb sssf sssi ssss