-th a-a a-b a-c a-t aaa aab aac aag aah aam aan aar aat ab- aba abb abc abg abh abm abn abr abt ac- aca acb acc acg ach acm acn acr act ag- aga agb agc agg agh agm agn agr agt aha ahb ahc ahg ahh ahm ahn ahr aht ama amb amc amg amh amm amn amr amt an- ana anb anc ang anh anm ann anr ant ar- ara arb arc arg arh arm arn arr art at- ata atb atc atg ath atm atn atr att baa bab bac bag bah bam ban bar bat bba bbb bbc bbg bbh bbm bbn bbr bbt bca bcb bcc bcg bch bcm bcn bcr bct bga bgb bgc bgg bgh bgm bgn bgr bgt bha bhb bhc bhg bhh bhm bhr bht bma bmb bmc bmg bmh bmm bmn bmr bmt bna bnb bnc bng bnn bnr bnt bra brb brg brh brm brn brr brt bta btb btc btg bth btm btn btr btt c-- caa cab cac cag cah cam can car cat cba cbb cbc cbg cbh cbm cbn cbr cbt cca ccb ccc ccg cch ccm ccn ccr cct cga cgb cgc cgg cgh cgm cgn cgr cgt ch- cha chb chc chg chh chm chn chr cht cma cmb cmc cmg cmh cmm cmn cmr cmt cn- cna cnb cnc cng cnh cnm cnn cnr cnt cra crb crc crg crh crm crn crr crt cta ctb ctc ctg cth ctm ctn ctr ctt gaa gab gac gag gah gam gan gar gat gba gbc gbg gbh gbm gbn gbr gbt gca gcb gcc gcg gch gcm gcn gcr gct gga ggb ggc ggg ggh ggm ggn ggr ggt gha ghb ghc ghg ghh ghn ghr ght gma gmb gmc gmg gmh gmm gmn gmr gmt gna gnb gnc gnm gnn gnr gnt gra grb grc grg grh grm grn grr grt gta gtb gtc gtg gth gtm gtn gtr gtt haa hab hac hag hah ham han har hat hba hbb hbc hbg hbh hbm hbn hbr hbt hca hcb hcc hcg hch hcm hcn hcr hct hga hgb hgc hgg hgh hgm hgn hgr hgt hha hhb hhc hhg hhh hhm hhn hhr hht hma hmb hmc hmg hmh hmm hmr hmt hna hnb hnc hng hnh hnn hnt hr- hra hrb hrc hrg hrh hrm hrn hrr hrt hta htb htc htg hth htm htn htr htt m-r maa mab mac mag mah mam man mar mat mba mbb mbc mbg mbh mbm mbr mbt mc- mca mcb mcc mcg mch mcm mcn mcr mct mga mgb mgc mgh mgm mgn mgr mgt mha mhc mhg mhh mhm mhn mhr mht mma mmb mmc mmg mmh mmm mmn mmr mmt mna mnb mnc mng mnm mnn mnr mnt mra mrb mrc mrg mrh mrm mrn mrr mrt mta mtb mtc mtg mth mtm mtn mtr mtt naa nab nac nag nah nam nan nar nat nba nbb nbc nbg nbm nbn nbr nbt nca ncb ncc ncg nch ncm ncn ncr nct nga ngb ngc ngg ngh ngm ngn ngt nha nhb nhc nhg nhh nhm nhn nhr nht nma nmb nmc nmg nmh nmm nmn nmr nmt nna nnb nnc nng nnh nnm nnn nnt nra nrb nrc nrg nrm nrn nrr nrt nta ntb ntc ntg nth ntm ntn ntr ntt ra- raa rab rac rag rah ram ran rar rat rba rbb rbc rbg rbh rbm rbn rbr rbt rca rcb rcc rcg rch rcm rcn rcr rct rga rgb rgc rgg rgh rgn rgr rgt rh- rha rhb rhc rhg rhh rhm rhn rhr rht rma rmb rmc rmg rmh rmm rmn rmr rmt rna rnb rnc rng rnh rnm rnn rnr rnt rra rrb rrc rrg rrh rrm rrn rrr rrt rta rtb rtc rtg rtm rtn rtr rtt taa tab tac tag tah tam tan tar tat tba tbb tbc tbg tbh tbm tbn tbr tbt tca tcb tcc tcg tch tcm tcn tcr tct tga tgb tgc tgg tgh tgm tgn tgr tgt th- tha thb thc thg thh thm thn thr tht tma tmb tmc tmg tmh tmm tmn tmr tmt tna tnb tnc tng tnh tnm tnn tnr tnt tra trb trc trg trh trm trn trr trt tta ttb ttc ttg tth ttm ttn ttr ttt

-ana a-ha aaaa aaab aaac aaah aaam aaan aaar aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aacn aacr aact aagh aaha aama aamb aamc aamn aamr aana aang aara aarc aarm aart aata aatc aatt abaa abab abac abag abam aban abar abat abb- abba abbb abbr abbt abca abcb abcc abch abcn abcr abct abha abhm abhr abma abmb abmc abmt abra abrc abta ac-t acaa acab acac acag acan acar acat acba acca accc acch accm acct acga acgr acha achh achr acht acma acmc acmg acmh acr- acra acrc acrm acrr acta actc actg acth actt agac agag agam agan agar agat agba agca agcc agct agga agha aght agma agmc agna agra agta agtr ahab ahac ahah aham ahar ahat ahha ahmc ahra ahrc ahrr ahta amaa amac amag amah amam aman amar amat amb- amba ambn ambr amca amcc amga amgn amm- amma amnt amra amrc amta amtc ana- anaa anab anac anag anah anam anan anar anat anba anbb anca ancc anct ang- anga anha anma anna annb annt anrc ant- anta anth antm antr antt arab arac arag arah aram aran arar arat arba arbh arc- arca arch arcm arct arga argb argh arh- arma armc armh armm armt arna arng arnt arr- arra arrc arrg arrh arrr arrt arta artc arth artr at-t ataa atab atac atan atar atat atca atcc atch atcr atgm atha atm- atma atna atra atrc atrm atrn atta attn attr baaa baah baam baan baar baat baba babb babm babr bac- baca bacc bach bacn bact baga bagg bagh bagn bagt baha bahn bahr baht