-th a-a a-b a-c a-t aaa aab aac aad aah aan aar aas aat ab- aba abb abc abd abh abn abr abs abt ac- aca acb acc acd ach acn acr acs act ad- ada adb adc add adh adn adr ads adt aha ahb ahc ahd ahh ahn ahr ahs aht an- ana anb anc and anh ann anr ans ant ar- ara arb arc ard arh arn arr ars art as- asa asb asc asd ash asn asr ass ast at- ata atb atc atd ath atn atr ats att baa bab bac bad bah ban bar bas bat bba bbb bbc bbd bbh bbn bbr bbs bbt bca bcb bcc bcd bch bcn bcr bcs bct bda bdb bdc bdd bdh bdr bds bdt bha bhb bhc bhd bhh bhr bhs bht bna bnb bnc bnd bnn bnr bns bnt bra brb brd brh brn brr brs brt bsa bsb bsc bsd bsh bsn bsr bss bst bta btb btc btd bth btn btr bts btt c-- caa cab cac cad cah can car cas cat cba cbb cbc cbd cbh cbn cbr cbs cbt cca ccb ccc ccd cch ccn ccr ccs cct cda cdb cdc cdd cdh cdn cdr cds cdt ch- cha chb chc chd chh chn chr chs cht cn- cna cnb cnc cnd cnh cnn cnr cns cnt cra crb crc crd crh crn crr crs crt csa csb csc csd csh csn csr css cst cta ctb ctc ctd cth ctn ctr cts ctt daa dab dac dad dah dan dar das dat dba dbb dbc dbd dbh dbn dbr dbs dbt dca dcb dcc dcd dcn dcr dcs dct dda ddb ddc ddd ddh ddn ddr dds ddt dh- dha dhb dhc dhd dhh dhr dhs dht dna dnb dnc dnd dnh dnn dnr dns dnt dra drb drc drd drn drr drs drt dsa dsb dsc dsd dsh dsn dsr dss dst dta dtb dtc dtd dth dtn dtr dts dtt haa hab hac had hah han har has hat hba hbb hbc hbd hbh hbn hbr hbs hbt hca hcb hcc hcd hch hcn hcr hcs hct hda hdb hdc hdd hdh hdn hdr hds hdt hha hhb hhc hhd hhh hhn hhr hhs hht hna hnb hnc hnd hnh hnn hns hnt hr- hra hrb hrc hrd hrh hrn hrr hrs hrt hsa hsb hsc hsd hsh hsn hsr hss hst hta htb htc htd hth htn htr hts htt naa nab nac nad nah nan nar nas nat nba nbb nbc nbd nbn nbr nbs nbt nca ncb ncc ncd nch ncn ncr ncs nct nda ndb ndc ndd ndh ndn ndr nds ndt nha nhb nhc nhd nhh nhn nhr nhs nht nna nnb nnc nnh nnn nns nnt nra nrb nrc nrd nrn nrr nrs nrt nsa nsb nsc nsd nsh nsn nsr nss nst nta ntb ntc ntd nth ntn ntr nts ntt ra- raa rab rac rad rah ran rar ras rat rba rbb rbc rbd rbh rbn rbr rbs rbt rca rcb rcc rcd rch rcn rcr rcs rct rda rdb rdc rdd rdh rdn rdr rds rdt rh- rha rhb rhc rhd rhh rhn rhr rhs rht rna rnb rnc rnd rnh rnn rnr rns rnt rra rrb rrc rrd rrh rrn rrr rrs rrt rsa rsb rsc rsd rsh rsn rsr rss rst rta rtb rtc rtd rtn rtr rts rtt saa sab sac sad sah san sar sas sat sba sbb sbc sbd sbh sbn sbr sbs sbt sca scb scc scd sch scn scr scs sct sda sdb sdc sdd sdh sdn sdr sds sdt sh- sha shb shc shd shh shn shr shs sht sna snb snc snd snn snr sns snt sr- sra srb src srd srh srn srr srs srt ss- ssa ssb ssc ssd ssh ssn ssr sss sst sta stb stc std sth stn str sts stt taa tab tac tad tah tan tar tas tat tba tbb tbc tbd tbh tbn tbr tbs tbt tca tcb tcc tcd tch tcn tcr tcs tct tda tdb tdc tdd tdh tdn tdr tds tdt th- tha thb thc thd thh thn thr ths tht tna tnb tnc tnd tnh tnn tnr tns tnt tra trb trc trd trh trn trr trs trt tsa tsb tsc tsd tsh tsn tsr tss tst tta ttb ttc ttd tth ttn ttr tts ttt

-ana a-ha aaaa aaab aaac aaad aaah aaan aaar aaas aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aach aacn aacr aacs aact aada aadc aads aadt aaha aahs aana aand aara aarc aard aars aart aasa aasc aasd aass aast aata aatc aatt abaa abab abac abad aban abar abas abat abb- abba abbb abbr abbs abbt abca abcb abcc abcd abch abcn abcr abcs abct abda abha abhr abhs abra abrc abrs abs- absa absd abss abta abts ac-t acaa acab acac acad acan acar acas acat acba acca accc accd acch accs acct acda acdb acdc acds acdt acha achh achr achs acht acr- acra acrc acrr acrs acsa acsc acsd acss acst acta actc acth acts actt adaa adab adac adad adah adan adar adas adat adba adbc adcc adcs adda addc addd addn addr adds adha adhd adhn adhs adna adns adra adrs adsa adsr adss adst adta adts ahab ahac ahad ahah ahar ahas ahat ahha ahhs ahra ahrc ahrr ahrs ahsa ahss ahta ahts ana- anaa anab anac anad anah anan anar anas anat anba anbb anca ancc anct and- anda andh andr ands andt anha anhs anna annb anns annt anrc ansa ansd ant- anta anth antr ants antt arab arac arad arah aran arar aras arat arba arbh arbs arc- arca arch arcs arct arda ardc ards arh- arhs arna arnd arns arnt arr- arra arrc arrh arrr arrs arrt ars- arsa arsc arsd arst arta artc arth artr arts asaa asab asac asad asah asan asar asas asat asba asc-