a-a a-b a-i a-t aaa aab aaf aai aan aar aat ab- aba abb abf abi abn abr abt af- afa afb aff afi afn afr aft ai- aia aib aif aii ain air ait an- ana anb anf ani ann anr ant ar- ara arb arf ari arn arr art at- ata atb atf ati atn atr att baa bab baf bai ban bar bat bba bbb bbf bbi bbn bbr bbt bfa bfb bff bfi bfn bfr bft bi- bia bib bif bii bin bir bit bna bnb bnf bni bnn bnr bnt bra brb brf bri brn brr brt bta btb btf bti btn btr btt faa fab faf fai fan far fat fba fbb fbf fbi fbn fbr fbt ffa fff ffi ffn ffr fft fia fib fif fii fin fir fit fna fnb fnf fni fnn fnr fnt fra frb frf fri frn frr frt fta ftb ftf fti ftn ftr ftt i-f ia- iaa iab iaf iai ian iar iat iba ibb ibf ibi ibn ibr ibt ifa ifb iff ifi ifn ifr ift iia iib iif iii iin iir iit in- ina inb inf ini inn inr int ir- ira irb irf iri irn irr irt ita itb itf iti itn itt n-i naa nab naf nai nan nar nat nba nbb nbf nbi nbn nbr nbt nfa nfb nff nfi nfn nfr nft nia nib nif nii nin nir nit nna nnb nnf nni nnn nnt nra nrb nrf nri nrn nrr nrt nta ntb ntf nti ntn ntr ntt ra- raa rab raf rai ran rar rat rba rbb rbf rbi rbn rbr rbt rfa rfb rff rfi rfn rfr rft ria rib rif rii rin rir rit rna rnb rni rnn rnr rnt rra rrb rrf rri rrn rrr rrt rta rtb rtf rti rtn rtr rtt taa tab taf tai tan tar tat tba tbb tbf tbi tbn tbr tbt tfa tfb tff tfi tfn tfr tft tia tib tif tii tin tir tit tna tnb tnf tni tnn tnr tnt tra trb trf tri trn trr trt tta ttb ttf tti ttn ttr ttt

-ana a-ii aaaa aaab aaaf aaai aaan aaar aaba aabb aabi aabt aafa aafb aaff aafi aaib aaii aain aana aani aara aari aart aata aatf aatt abaa abab abaf abai aban abar abat abb- abba abbb abbi abbr abbt abff abia abib abin abir abit abra abri abta afaa afan afar afat affa affi afft afia afib afif afin afir afit afr- afra afri afta aftn aiai aian aiba aibn aiff aiia aiib aiin aiir aina aini aint aira airi airt aita aitf aiti aitr aitt ana- anaa anab anai anan anar anat anba anbb anbi anfa ania anib anif anin anir anit anna annb anni annt anri ant- anta anti antr antt arab araf arai aran arar arat arba arbi arfa arfb arff arft aria arib arif arii arin arit arna arni arnt arr- arra arri arrr arrt arta arti artr at-t ataa atab atai atan atar atat atfb atia atif atin atit atna atra atri atrn atta atti attn attr ba-i baaa baaf baan baar baat baba babb babi babr baff baft baia baib bain bair bait bana bani bann banr bant bar- bara barb barf bari barn barr bart bata batf bati batn batt bbbb bbfn bbin bfta bftt biaf bian biar biat biba bibb bibi bifa biff bifi biin bin- bina bini binn bint bira birb biri birn birr birt bita bitt bnai bnib bnin bnrr bnta brab braf brai bran brat bria brin brit brna brrr btaa btaf btan btrt bttb faaa faan faba fabi fafa faff fafi fain fair fait fana fani fant fara farb farr fart fata fatf fati fatt fbar ffar ffff ffii ffrr fftf fiaa fiaf fian fiar fiat fiba fifa fiff fifi fift fiii fina fini finn fint fira firn fita fiti fitt fnar fnta fntb frab fran frat fria frib frin frit frta ftan ftii iaaa iaai iaat iaba iaff iaia iain iana iara iart iata iati iban ibar ibat ibfi ibia ibra ibri ibtb ifaa ifan ifar ifat ifbb ifit ifni ifnr ifra ifrb ifrf ifri ifta iftn iifa iiii iiit iira iita iitr iitt inab inaf inai inan inar inat inba infa infi inia init inna inni innr inra inri inta inti intn intr iraf irai iran irar iri- iria irin irna irra irri irta irtf irti itaa itaf itai itan itar itat itfa itia itif itin itra itrf itri itta ittf n-ii naaa naab naai naan naar naat naba nabf nabi nafa naff nafi naia naib naif nain nair nait nan- nana nanb nani nann nant nara narf nari narn narr nart nata nati natt nbaa nbaf nbar nbfa nbia nbti nfaa nfat nfff nfia nfib nfra nfta niab niaf nian nibi nifa niff nift niia niir niit nina nini nira nirt nita nitb nitf niti nitr nnit nnnn nntn nrab nrna nrta ntia nttr raab raaf raan raat raba rabb rabi rafa raff rafi raft raia raif raii rain rair rait rana rani rann rant rara rarb rarf rari rata ratf rati ratt rbaf rbbb rbbr riaa riab riai rian riat rib- riba rifa riff rift riia riif riin rina rinf rinn riri rita riti ritt rnaf rnai rnbr rnin rnnt rrat rrif rrna rrrr rtai rtan rtbf rtfb taa- taaf taan taar taat taba tabb tabi tafa taff tafi taft taia tain tair tait tana tani tann tant tara tarb tarf tari tarn tarr tart tata tatb tati tatr tatt tbaf tbar tbit tbnf tbrb tbta tfin tiaa tiab tiaf tian tiar tiba tibi tifa tiff tift tiit tina tini tinn tint tira tirb tiri tirr tita titi titt traa trab traf trai tran trat trfr tri- tria trib trif trin trit trna trra trtr ttab ttbb ttfa ttff ttfn tttt

-aaa- a-fib a-iii aaaai aaata aabaa aabba aabra aafat aafir aaiib aaina aanai aanat aanti aaria aarna aarni aarti abaab ababa abaft abaia abair abait abana