a-a a-b a-i a-t aaa aab aai aan aar aas aat ab- aba abb abi abn abr abs abt ai- aia aib aii ain air ais ait an- ana anb ani ann anr ans ant ar- ara arb ari arn arr ars art as- asa asb asi asn asr ass ast at- ata atb ati atn atr ats att baa bab bai ban bar bas bat bba bbb bbi bbn bbr bbs bbt bi- bia bib bii bin bir bis bit bna bnb bni bnn bnr bns bnt bra brb bri brn brr brs brt bsa bsb bsi bsn bsr bss bst bta btb bti btn btr bts btt ia- iaa iab iai ian iar ias iat iba ibb ibi ibn ibr ibs ibt iia iib iii iin iir iis iit in- ina inb ini inn inr ins int ir- ira irb iri irn irr irs irt is- isa isb isi isn isr iss ist ita itb iti itn its itt n-i naa nab nai nan nar nas nat nba nbb nbi nbn nbr nbs nbt nia nib nii nin nir nis nit nna nnb nni nnn nns nnt nra nrb nri nrn nrr nrs nrt nsa nsb nsi nsn nsr nss nst nta ntb nti ntn ntr nts ntt ra- raa rab rai ran rar ras rat rba rbb rbi rbn rbr rbs rbt ria rib rii rin rir ris rit rna rnb rni rnn rnr rns rnt rra rrb rri rrn rrr rrs rrt rsa rsb rsi rsn rsr rss rst rta rtb rti rtn rtr rts rtt saa sab sai san sar sas sat sba sbb sbi sbn sbr sbs sbt sia sib sii sin sir sis sit sna snb sni snn snr sns snt sr- sra srb sri srn srr srs srt ss- ssa ssb ssi ssn ssr sss sst sta stb sti stn str sts stt taa tab tai tan tar tas tat tba tbb tbi tbn tbr tbs tbt tia tib tii tin tir tis tit tna tnb tni tnn tnr tns tnt tra trb tri trn trr trs trt tsa tsb tsi tsn tsr tss tst tta ttb tti ttn ttr tts ttt

-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