-th a-a a-b a-c a-t aaa aab aac aag aah aan aar aas aat ab- aba abb abc abg abh abn abr abs abt ac- aca acb acc acg ach acn acr acs act ag- aga agb agc agg agh agn agr ags agt aha ahb ahc ahg ahh ahn ahr ahs aht an- ana anb anc ang anh ann anr ans ant ar- ara arb arc arg arh arn arr ars art as- asa asb asc asg ash asn asr ass ast at- ata atb atc atg ath atn atr ats att baa bab bac bag bah ban bar bas bat bba bbb bbc bbg bbh bbn bbr bbs bbt bca bcb bcc bcg bch bcn bcr bcs bct bga bgb bgc bgg bgh bgn bgr bgs bgt bha bhb bhc bhg bhh bhr bhs bht bna bnb bnc bng bnn bnr bns bnt bra brb brg brh brn brr brs brt bsa bsb bsc bsg bsh bsn bsr bss bst bta btb btc btg bth btn btr bts btt c-- caa cab cac cag cah can car cas cat cba cbb cbc cbg cbh cbn cbr cbs cbt cca ccb ccc ccg cch ccn ccr ccs cct cga cgb cgc cgg cgh cgn cgr cgs cgt ch- cha chb chc chg chh chn chr chs cht cn- cna cnb cnc cng cnh cnn cnr cns cnt cra crb crc crg crh crn crr crs crt csa csb csc csg csh csn csr css cst cta ctb ctc ctg cth ctn ctr cts ctt gaa gab gac gag gah gan gar gas gat gba gbc gbg gbh gbn gbr gbs gbt gca gcb gcc gcg gch gcn gcr gcs gct gga ggb ggc ggg ggh ggn ggr ggs ggt gha ghb ghc ghg ghh ghn ghr ghs ght gna gnb gnc gnn gnr gns gnt gra grb grc grg grh grn grr grs grt gsa gsb gsc gsg gsn gsr gss gst gta gtb gtc gtg gth gtn gtr gts gtt haa hab hac hag hah han har has hat hba hbb hbc hbg hbh hbn hbr hbs hbt hca hcb hcc hcg hch hcn hcr hcs hct hga hgb hgc hgg hgh hgn hgr hgs hgt hha hhb hhc hhg hhh hhn hhr hhs hht hna hnb hnc hng hnh hnn hns hnt hr- hra hrb hrc hrg hrh hrn hrr hrs hrt hsa hsb hsc hsg hsh hsn hsr hss hst hta htb htc htg hth htn htr hts htt naa nab nac nag nah nan nar nas nat nba nbb nbc nbg nbn nbr nbs nbt nca ncb ncc ncg nch ncn ncr ncs nct nga ngb ngc ngg ngh ngn ngs ngt nha nhb nhc nhg nhh nhn nhr nhs nht nna nnb nnc nng nnh nnn nns nnt nra nrb nrc nrg nrn nrr nrs nrt nsa nsb nsc nsg nsh nsn nsr nss nst nta ntb ntc ntg nth ntn ntr nts ntt ra- raa rab rac rag rah ran rar ras rat rba rbb rbc rbg rbh rbn rbr rbs rbt rca rcb rcc rcg rch rcn rcr rcs rct rga rgb rgc rgg rgh rgn rgr rgs rgt rh- rha rhb rhc rhg rhh rhn rhr rhs rht rna rnb rnc rng rnh rnn rnr rns rnt rra rrb rrc rrg rrh rrn rrr rrs rrt rsa rsb rsc rsg rsh rsn rsr rss rst rta rtb rtc rtg rtn rtr rts rtt saa sab sac sag sah san sar sas sat sba sbb sbc sbg sbh sbn sbr sbs sbt sca scb scc scg sch scn scr scs sct sga sgb sgc sgg sgh sgn sgr sgs sgt sh- sha shb shc shg shh shn shr shs sht sna snb snc sng snn snr sns snt sr- sra srb src srg srh srn srr srs srt ss- ssa ssb ssc ssg ssh ssn ssr sss sst sta stb stc stg sth stn str sts stt taa tab tac tag tah tan tar tas tat tba tbb tbc tbg tbh tbn tbr tbs tbt tca tcb tcc tcg tch tcn tcr tcs tct tga tgb tgc tgg tgh tgn tgr tgs tgt th- tha thb thc thg thh thn thr ths tht tna tnb tnc tng tnh tnn tnr tns tnt tra trb trc trg trh trn trr trs trt tsa tsb tsc tsg tsh tsn tsr tss tst tta ttb ttc ttg tth ttn ttr tts ttt

-ana a-ha aaaa aaab aaac aaah aaan aaar aaas aaba aabb aabc aabh aabt aaca aacb aacc aach aacn aacr aacs aact aagh aaha aahs aana aang aara aarc aars aart aasa aasc aass aast aata aatc aatt abaa abab abac abag aban abar abas abat abb- abba abbb abbr abbs abbt abca abcb abcc abch abcn abcr abcs abct abha abhr abhs abra abrc abrs abs- absa abss abta abts ac-t acaa acab acac acag acan acar acas acat acba acca accc acch accs acct acga acgr acgs acha achh achr achs acht acr- acra acrc acrr acrs acsa acsc acss acst acta actc actg acth acts actt agac agag agan agar agas agat agba agca agcc agct agga agha aghs aght agna agns agra agsa agsg agst agta agtr agts ahab ahac ahah ahar ahas ahat ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahta ahts ana- anaa anab anac anag anah anan anar anas anat anba anbb anca ancc anct ang- anga angs anha anhs anna annb anns annt anrc ansa ant- anta anth antr ants antt arab arac arag arah aran arar aras arat arba arbh arbs arc- arca arch arcs arct arga argb argh args arh- arhs arna arng arns arnt arr- arra arrc arrg arrh arrr arrs arrt ars- arsa arsc arst arta artc arth artr arts asaa asab asac asag asah asan asar asas asat asba asc- asca ascb ascc asch ascr asct asgt asha ashs asht asnc asra asrc asrg asrs assa assc assh assn assr asss asst asta astb astc astr asts at-t ataa