-ana a-ii aaaa aaab aaai aaan aaar aaba aabb aabi aabt aaib aaii aain aana aani aara aari aart aata aatt abaa abab abai aban abar abat abb- abba abbb abbi abbr abbt abia abib abin abir abit abra abri abta aiai aian aiba aibn aiia aiib aiin aiir aina aini aint aira airi airt aita aiti aitr aitt ana- anaa anab anai anan anar anat anba anbb anbi ania anib anin anir anit anna annb anni annt anri ant- anta anti antr antt arab arai aran arar arat arba arbi aria arib arii arin arit arna arni arnt arr- arra arri arrr arrt arta arti artr at-t ataa atab atai atan atar atat atia atin atit atna atra atri atrn atta atti attn attr ba-i baaa baan baar baat baba babb babi babr baia baib bain bair bait bana bani bann banr bant bar- bara barb bari barn barr bart bata bati batn batt bbbb bbin bian biar biat biba bibb bibi biin bin- bina bini binn bint bira birb biri birn birr birt bita bitt bnai bnib bnin bnrr bnta brab brai bran brat bria brin brit brna brrr btaa btan btrt bttb iaaa iaai iaat iaba iaia iain iana iara iart iata iati iban ibar ibat ibia ibra ibri ibtb iiii iiit iira iita iitr iitt inab inai inan inar inat inba inia init inna inni innr inra inri inta inti intn intr irai iran irar iri- iria irin irna irra irri irta irti itaa itai itan itar itat itia itin itra itri itta n-ii naaa naab naai naan naar naat naba nabi naia naib nain nair nait nan- nana nanb nani nann nant nara nari narn narr nart nata nati natt nbaa nbar nbia nbti niab nian nibi niia niir niit nina nini nira nirt nita nitb niti nitr nnit nnnn nntn nrab nrna nrta ntia nttr raab raan raat raba rabb rabi raia raii rain rair rait rana rani rann rant rara rarb rari rata rati ratt rbbb rbbr riaa riab riai rian riat rib- riba riia riin rina rinn riri rita riti ritt rnai rnbr rnin rnnt rrat rrna rrrr rtai rtan taa- taan taar taat taba tabb tabi taia tain tair tait tana tani tann tant tara tarb tari tarn tarr tart tata tatb tati tatr tatt tbar tbit tbrb tbta tiaa tiab tian tiar tiba tibi tiit tina tini tinn tint tira tirb tiri tirr tita titi titt traa trab trai tran trat tri- tria trib trin trit trna trra trtr ttab ttbb tttt