a-a a-b a-t aaa aab aad aaf aan aar aat ab- aba abb abd abf abn abr abt ad- ada adb add adf adn adr adt af- afa afb afd aff afn afr aft an- ana anb and anf ann anr ant ar- ara arb ard arf arn arr art at- ata atb atd atf atn atr att baa bab bad baf ban bar bat bba bbb bbd bbf bbn bbr bbt bda bdb bdd bdf bdr bdt bfa bfb bfd bff bfn bfr bft bna bnb bnd bnf bnn bnr bnt bra brb brd brf brn brr brt bta btb btd btf btn btr btt daa dab dad daf dan dar dat dba dbb dbd dbf dbn dbr dbt dda ddb ddd ddf ddn ddr ddt dfa dfb dfd dff dfn dfr dft dna dnb dnd dnf dnn dnr dnt dra drb drd drn drr drt dta dtb dtd dtf dtn dtr dtt faa fab fad faf fan far fat fba fbb fbd fbf fbn fbr fbt fda fdb fdd fdf fdn fdr fdt ffa ffd fff ffn ffr fft fna fnb fnd fnf fnn fnr fnt fra frb frd frf frn frr frt fta ftb ftd ftf ftn ftr ftt naa nab nad naf nan nar nat nba nbb nbd nbf nbn nbr nbt nda ndb ndd ndf ndn ndr ndt nfa nfb nfd nff nfn nfr nft nna nnb nnf nnn nnt nra nrb nrd nrf nrn nrr nrt nta ntb ntd ntf ntn ntr ntt ra- raa rab rad raf ran rar rat rba rbb rbd rbf rbn rbr rbt rda rdb rdd rdf rdn rdr rdt rfa rfb rfd rff rfn rfr rft rna rnb rnd rnn rnr rnt rra rrb rrd rrf rrn rrr rrt rta rtb rtd rtf rtn rtr rtt taa tab tad taf tan tar tat tba tbb tbd tbf tbn tbr tbt tda tdb tdd tdf tdn tdr tdt tfa tfb tfd tff tfn tfr tft tna tnb tnd tnf tnn tnr tnt tra trb trd trf trn trr trt tta ttb ttd ttf ttn ttr ttt

-ana aaaa aaab aaad aaaf aaan aaar aaba aabb aabd aabt aada aadt aafa aafb aafd aaff aana aand aara aard aart aata aatf aatt abaa abab abad abaf aban abar abat abb- abba abbb abbr abbt abda abff abra abta adaa adab adad adan adar adat adba adda addd addn addr adfa adna adra adta afaa afad afan afar afat afdb affa afft afr- afra afta aftn ana- anaa anab anad anan anar anat anba anbb and- anda andr andt anfa anna annb annt ant- anta antr antt arab arad araf aran arar arat arba arda ardf arfa arfb arff arft arna arnd arnt arr- arra arrr arrt arta artr at-t ataa atab atad atan atar atat atdt atfb atna atra atrn atta attn attr baaa baad baaf baan baar baat baba babb babr bada badb badd badr baff baft bana band bann banr bant bar- bara barb bard barf barn barr bart bata batf batn batt bbad bbbb bbdd bbfn bd-r bdna bfta bftt bnrr bnta brab brad braf bran brat brda brdt brna brrr btaa btaf btan btdt btrt bttb d-na daab daad daan daar daba dabb dabt dada dafa daff daft dana dand dann danr dant dara darb dard darf darn darr dart data datr datt dbar dbrn dbtt dddd dfaf dfdt dffa dfrf dftr dnaa dnab dnad dnan dnat dntt draa drab drad draf drar drat drba drda drna drra dtaa dtna dtnb faaa faad faan faba fabd fada fadd fafa faff fana fand fant fara farb fard farr fart fata fatf fatt fbar ffar ffff ffrr fftf fnar fndd fndn fndr fnta fntb frab frad fran frat frta ftan naaa naab naad naan naar naat naba nabf nada nadf nadr nafa naff nan- nana nanb nand nann nant nara nard narf narn narr nart nata natt nbaa nbad nbaf nbar nbfa ndaa nddb ndfa ndna ndnt ndrf nfaa nfat nfda nfff nfra nfta nndb nnnn nntn nrab nrna nrrd nrta ntnd nttr raab raad raaf raan raat raba rabb rada radd radr radt rafa raff raft rana rand rann rant rara rarb rarf rata ratf ratt rbaf rbbb rbbr rdfa rdna rnaf rnbr rndf rnnt rntd rrad rrat rrna rrrr rtan rtbf rtdt rtfb rtnd taa- taaf taan taar taat taba tabb tada tafa taff taft tana tand tann tant tara tarb tard tarf tarn tarr tart tata tatb tatr tatt tbaf tbar tbnf tbrb tbta tddb tdff tdna tdra tndd tndf traa trab trad traf tran trat trfd trfr trna trra trtr ttab ttbb ttfa ttff ttfn tttt

-aaa- -abad a-dna aaata aabaa aabba aabra aadat aafat aanat aandr aarna abaab ababa abada abaft abana aband abann abara abarn abbad abban abbar abbat abdan abfab abrad abran abrar abtaa abtaf abtar adaba adada adana adara adarn adata addra adnan adrad adran adrar afand afara afnan aftab aftar aftra anaba anana anand anant anara anart anata anban anbar andab andad andan andar andr- andra annan annar annat antar antna antr- antra ar-ab araat arab- araba arada araft arana arand arant arara arata arbab arbar arbat ardab ardan ardra arnad arnan arnar arndt arran artar artat atana atara atbar atbat atnaa atrab atraf atran attan attar attra b-dna baard baarn baart baata baban babar babra badan badar badat badna badra bafan bafat baffa bafna bafra bafta banaf banan banar banat banba banda bandb bandn banfa banff banna banta baraa barab barad baran barar barat barba barda barff barna barra barta batab batad batan batar batat batna batra batta bbart braat brada bradt braff brana brand brann brant brard bratt brdda brrar brrrr btr-d btr-t d-a-d d-rad daada daana daara daata daban dabar dabat dabba dabra dadar dadda dadna dadra dafar dafna danan danda dandd danna danta daraa darab daraf darba darda darna darra datan datar datta ddddd dnata draaf draba draff draft drant fabra fadda fanaa fanad fanar fanna fanta farab farad fardd farfa farna farta fatar fatra