a-a a-b a-t aaa aab aad aak aan aar aas aat ab- aba abb abd abk abn abr abs abt ad- ada adb add adk adn adr ads adt aka akb akd akk akn akr aks an- ana anb and ank ann anr ans ant ar- ara arb ard ark arn arr ars art as- asa asb asd ask asn asr ass ast at- ata atb atd atn atr ats att baa bab bad bak ban bar bas bat bba bbb bbd bbk bbn bbr bbs bbt bda bdb bdd bdk bdr bds bdt bka bkb bkk bkn bkr bks bkt bna bnb bnd bnk bnn bnr bns bnt bra brb brd brk brn brr brs brt bsa bsb bsd bsk bsn bsr bss bst bta btb btd btk btn btr bts btt daa dab dad dak dan dar das dat dba dbb dbd dbk dbn dbr dbs dbt dda ddb ddd ddk ddn ddr dds ddt dka dkb dkk dkr dks dkt dna dnb dnd dnk dnn dnr dns dnt dra drb drd drk drn drr drs drt dsa dsb dsd dsk dsn dsr dss dst dta dtb dtd dtk dtn dtr dts dtt k-t ka- kaa kab kad kak kan kar kas kat kba kbb kbd kbk kbn kbr kbs kda kdb kdk kdr kds kdt kkb kkk kkn kkr kks kkt kn- kna knd knk knn knr knt kra krd krk krn krr krs krt ksa ksb ksd ksk ksn ksr kss kst kta ktb ktk ktn ktr kts ktt naa nab nad nak nan nar nas nat nba nbb nbd nbk nbn nbr nbs nbt nda ndb ndd ndk ndn ndr nds ndt nka nkk nkn nkr nks nkt nna nnb nnk nnn nns nnt nra nrb nrd nrk nrn nrr nrs nrt nsa nsb nsd nsk nsn nsr nss nst nta ntb ntd ntk ntn ntr nts ntt ra- raa rab rad rak ran rar ras rat rba rbb rbd rbk rbn rbr rbs rbt rda rdb rdd rdn rdr rds rdt rkb rkk rks rkt rna rnb rnd rnn rnr rns rnt rra rrb rrd rrk rrn rrr rrs rrt rsa rsb rsd rsk rsn rsr rss rst rta rtb rtd rtk rtn rtr rts rtt saa sab sad sak san sar sas sat sba sbb sbd sbk sbn sbr sbs sbt sda sdb sdd sdk sdn sdr sds sdt sk- ska skb skd skk skr sks skt sna snb snd snk snn snr sns snt sr- sra srb srd srk srn srr srs srt ss- ssa ssb ssd ssk ssn ssr sss sst sta stb std stk stn str sts stt taa tab tad tak tan tar tas tat tba tbb tbd tbk tbn tbr tbs tbt tda tdb tdd tdk tdn tdr tds tdt tka tkb tkk tkr tks tkt tna tnb tnd tnk tnn tnr tns tnt tra trb trd trk trn trr trs trt tsa tsb tsd tsk tsn tsr tss tst tta ttb ttd ttk ttn ttr tts ttt

-ana a-ak aaaa aaab aaad aaan aaar aaas aaba aabb aabd aabt aada aads aadt aaka aana aand aara aard aars aart aasa aasd aass aast aata aatk aatt abaa abab abad abak aban abar abas abat abb- abba abbb abbr abbs abbt abda abra abrs abs- absa absd abss abta abts adaa adab adad adak adan adar adas adat adba adda addd addn addr adds adna adns adra adrs adsa adsr adss adst adta adts akaa akan akar akas akdn akka akna akr- akra aksa akst ana- anaa anab anad anak anan anar anas anat anba anbb and- anda andr ands andt ank- anka anna annb anns annt ansa ansd ant- anta antr ants antt arab arad arak aran arar aras arat arba arbs arda ards arka arks arna arnd arnk arns arnt arr- arra arrk arrr arrs arrt ars- arsa arsd arsk arst arta artr arts asaa asab asad asak asan asar asas asat asba asda asds aska askr asks askt asra asrs assa assd assk assn assr asss asst asta astb astr asts at-t ataa atab atad atak atan atar atas atat atbs atdt atka atkt atna atns atra atrk atrn atsb atst atta attn attr atts baaa baad baak baan baar baas baat baba babb babr babs bada badb badd badr bads bak- baka bakr baks bakt bana band bank bann banr bans bant bar- bara barb bard bark barn barr bars bart basa bask bass bast bata batn bats batt bbad bbas bbbb bbbs bbdd bd-r bdna bdsd bnas bnrr bnss bnta brab brad brak bran bras brat brda brds brdt brka brkb brna brns brrr brrs brsb brsr brst bsaa bsas bsat bsbd bskt bsnd bsns bsra bsrd bssd bsts btaa btan btdt btrt btss bttb d-na daab daad daan daar daas daba dabb dabs dabt dada dads daka daks dana dand dank dann danr dans dant dara darb dard dark darn darr dars dart dasa dasb dasd dask dass dast data datr dats datt dbar dbas dbrn dbrs dbsa dbss dbtt dddd ddss ddts dkba dnaa dnab dnad dnan dnas dnat dnsa dntt draa drab drad drak drar dras drat drba drda drna drra drrs drsa dsba dsda dsdr dsrr dssa dssn dsst dstn dsts dtaa dtna dtnb dtss kaaa kaab kaak kaan kaar kaas kaat kaba kabb kabd kabr kad- kada kadd kadr kads kadt kaka kakk kakn kaks kakt kana kanb kand kann kans kant kara karb kard kark karn karr kars kart kas- kasa kasb kask kasn kasr kass kast kat- kata katb katd katk katn katr kats katt kbaa kbab kbad kbak kbar kbas kbat kbba kbbb kbbd kbbk kbbr kbbs kbbt kbdb kbdn kbdr kbds kbkb kbkk kbkr kbna kbnd kbnn kbnr kbra kbrb kbrd kbrk kbrn kbrt kbsa kbsb kbsk kbsn kbsr kbss kbst kbta kbtb kbtk kbtn kbtr kbts kbtt kdaa kdab kdad kdak kdar kdat kdbb kdbn kdbr kdbs kddb kddd kddk kddr kdka kdkb kdkd kdkk kdkn kdkr kdkt kdna kdnd kdnk kdnn kdnr