-ana a-ii aaaa aaab aaai aaan aaar aaas aaba aabb aabi aabt aaib aaii aain aais aana aani aara aari aars aart aasa aasi aass aast aata aatt abaa abab abai aban abar abas abat abb- abba abbb abbi abbr abbs abbt abia abib abin abir abis abit abra abri abrs abs- absa absi abss abta abts aiai aian aias aiba aibn aiia aiib aiin aiir aina aini ains aint aira airi airs airt aisa aisb aisi aisr aist aita aiti aitr aits aitt ana- anaa anab anai anan anar anas anat anba anbb anbi ania anib anin anir anis anit anna annb anni anns annt anri ansa ansi ant- anta anti antr ants antt arab arai aran arar aras arat arba arbi arbs aria arib arii arin aris arit arna arni arns arnt arr- arra arri arrr arrs arrt ars- arsa arsi arst arta arti artr arts asaa asab asai asan asar asas asat asba asia asii asin asir asis asit asni asra asrs assa assi assn assr asss asst asta astb asti astr asts at-t ataa atab atai atan atar atas atat atbs atia atin atis atit atna atns atra atri atrn atsb atsi atst atta atti attn attr atts ba-i baaa baan baar baas baat baba babb babi babr babs baia baib bain bair bais bait bana bani bann banr bans bant bar- bara barb bari barn barr bars bart basa basi bass bast bata bati batn bats batt bbas bbbb bbbs bbin bian biar bias biat biba bibb bibi bibs biin biis bin- bina bini binn bins bint bira birb biri birn birr birs birt bis- bisa biss bist bita bits bitt bnai bnas bnib bnin bnrr bnss bnta brab brai bran bras brat bria brin bris brit brna brns brrr brrs brsb brsr brst bsaa bsas bsat bsin bsns bsra bsts btaa btan btrt btss bttb iaaa iaai iaas iaat iaba iaia iain iais iana ians iara iars iart iasa iasi iasr iata iati iban ibar ibas ibat ibia ibis ibns ibra ibri ibsa ibsn ibss ibtb ibts iias iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt inab inai inan inar inas inat inba inia inis init inna inni innr inns inra inri inrs insa inss inst inta inti intn intr ints irai iran irar iras iri- iria irin iris irna irra irri irrs irsa irta irti irts is-a isai isan isar isas isat isba isbn isbt isia isin isis isit isna isnt isra isri issa issi issr isss ista isti istr ists itaa itai itan itar itas itat itbs itia itin itis itra itri itrs itsa itsi itta n-ii naaa naab naai naan naar naas naat naba nabi nabs naia naib nain nair nais nait nan- nana nanb nani nann nans nant nara nari narn narr nars nart nas- nasa nasb nasi nasr nass nast nata nati nats natt nbaa nbar nbas nbia nbti niab nian nias nibi nibs niia niir niit nina nini nins nira nirs nirt nisa nisi niss nist nita nitb niti nitr nits nnit nnnn nnsa nnss nntn nrab nras nrna nrsa nrta nrts nsaa nsai nsar nsin nsis nsna nsnr nsra nssa nssb nssr nsss nsts ntia ntis ntsb ntss nttr raab raan raas raat raba rabb rabi rabs raia raii rain rair rais rait rana rani rann rans rant rara rarb rari rars rasa rasi rass rast rata rati rats ratt rbbb rbbr rbbs rbis rbss rbst riaa riab riai rian rias riat rib- riba ribs riia riin riis rina rinn riri rirs risa risi riss rist rita riti rits ritt rnai rnas rnbr rnin rnnt rras rrat rrna rrrr rsaa rsai rsbi rsis rsna rsnn rsnr rssa rsts rtai rtan rtas rtns rtss rtts s-ib s-ii saab saan saar saas saat saba sabb sabi sabr sabs saia sain sair sais sait sana sani sann sanr sans sant sara sari sarn sarr sars sart sasa sasi sass sast sata satb sati satn satr sats satt sbaa sbai sbar sbas sbbs sbia sbsa sbsi sbst sbtn siaa siab siai sian sias siat siba sibi sibs siit sina sini sinn sins sint sira siri sirr sirs sirt sisa sisi siss sist sit- sita siti sitn sits sitt snab snar snas snat snba snia snib snir snit snns snra snrs sntr sras srib sris srna srni srnn srta srtr ssaa ssab ssan ssas ssat ssbn ssbr ssin ssis ssit ssns ssra ssri ssrs sssa sssb sssi ssss ssta sstb ssts stab stai stan star stas stat stbs stia stib stir stis stit stnn stnr stns stra stri strn strs stsi stss sttr taa- taan taar taas taat taba tabb tabi tabs taia tain tair tais tait tana tani tann tans tant tara tarb tari tarn tarr tars tart tasa tasb tasi tasr tass tast tata tatb tati tatr tats tatt tbar tbas tbbs tbit tbrb tbst tbta tiaa tiab tian tiar tias tiba tibi tibs tiit tina tini tinn tins tint tira tirb tiri tirr tirs tisa tisb tisi tiss tist tita titi tits titt tnts traa trab trai tran tras trat tri- tria trib trin tris trit trna trra trsi trst trtr tsaa tsai tsar tsat tsia tsin tsis tsna tssa tssi tssr tsst tsts ttab ttbb ttss tttt