-th a-a a-b a-c a-t aaa aab aac aah aam aao aar aas aat aax ab- aba abb abc abh abm abo abr abs abt abx ac- aca acb acc ach acm aco acr acs act acx aha ahb ahc ahh ahm aho ahr ahs aht ahx ama amb amc amh amm amo amr ams amt amx aoa aob aoc aoh aom aoo aor aos aot aox ar- ara arb arc arh arm aro arr ars art arx as- asa asb asc ash asm aso asr ass ast asx at- ata atb atc ath atm ato atr ats att atx ax- axa axh axm axo axr axs axt axx baa bab bac bah bam bao bar bas bat bax bba bbb bbc bbh bbm bbo bbr bbs bbt bbx bca bcb bcc bch bcm bco bcr bcs bct bcx bha bhb bhc bhh bhm bho bhr bhs bht bhx bma bmb bmc bmh bmm bmo bmr bms bmt bmx boa bob boc boh bom boo bor bos bot box bra brb brh brm bro brr brs brt brx bsa bsb bsc bsh bsm bso bsr bss bst bsx bta btb btc bth btm bto btr bts btt btx bxb bxm bxo bxx c-- caa cab cac cah cam cao car cas cat cax cba cbb cbc cbh cbm cbo cbr cbs cbt cbx cca ccb ccc cch ccm cco ccr ccs cct ccx ch- cha chb chc chh chm cho chr chs cht chx cma cmb cmc cmh cmm cmo cmr cms cmt cmx co- coa cob coc coh com coo cor cos cot cox cra crb crc crh crm cro crr crs crt crx csa csb csc csh csm cso csr css cst csx cta ctb ctc cth ctm cto ctr cts ctt ctx cxc cxh cxo cxr cxs cxt cxx haa hab hac hah ham hao har has hat hax hba hbb hbc hbh hbm hbo hbr hbs hbt hbx hca hcb hcc hch hcm hco hcr hcs hct hha hhb hhc hhh hhm hho hhr hhs hht hma hmb hmc hmh hmm hmo hmr hms hmt hmx hoa hob hoc hoh hom hoo hor hos hot hox hr- hra hrb hrc hrh hrm hro hrr hrs hrt hsa hsb hsc hsh hsm hsr hss hst hsx hta htb htc hth htm hto htr hts htt htx hxc hxm m-o m-r maa mab mac mah mam mao mar mas mat max mba mbb mbc mbh mbm mbo mbr mbs mbt mbx mc- mca mcb mcc mch mcm mco mcr mcs mct mcx mha mhc mhh mhm mho mhr mhs mht mhx mma mmb mmc mmh mmm mmo mmr mms mmt mmx moa mob moc moh mom moo mor mos mot mox mra mrb mrc mrh mrm mro mrr mrs mrt mrx msa msb msc msh msm mso msr mss mst msx mta mtb mtc mth mtm mto mtr mts mtt mtx mxa mxc mxr mxs oaa oab oac oah oam oao oar oas oat oax ob- oba obb obc obh obm obo obr obs obt obx oc- oca ocb occ och ocm oco ocr ocs oct ocx oha ohc ohh ohm oho ohr ohs oht om- oma omb omc omh omm omo omr oms omt omx oo- ooa oob ooc ooh oom ooo oor oos oot oox or- ora orb orc orh orm oro orr ors ort orx os- osa osb osc osh osm oso osr oss ost osx ot- ota otb otc oth otm oto otr ots ott ox- oxa oxb oxc oxo oxt oxx ra- raa rab rac rah ram rao rar ras rat rax rba rbb rbc rbh rbm rbo rbr rbs rbt rbx rca rcb rcc rch rcm rco rcr rcs rct rcx rh- rha rhb rhc rhh rhm rho rhr rhs rht rma rmb rmc rmh rmm rmo rmr rms rmt rmx roa rob roc roh rom roo ror ros rot rox rra rrb rrc rrh rrm rrr rrs rrt rsa rsb rsc rsh rsm rso rsr rss rst rsx rta rtb rtc rtm rto rtr rts rtt rtx rxr rxs saa sab sac sah sam sao sar sas sat sax sba sbb sbc sbh sbm sbo sbr sbs sbt sbx sca scb scc sch scm sco scr scs sct scx sh- sha shb shc shh shm sho shr shs sht sma smb smc smh smm smo smr sms smt smx soa sob soc soh som soo sor sos sot sox sr- sra srb src srh srm sro srr srs srt srx ss- ssa ssb ssc ssh ssm sso ssr sss sst ssx sta stb stc sth stm sto str sts stt stx sxc sxm sxs sxt t-x taa tab tac tah tam tao tar tas tat tax tba tbb tbc tbh tbm tbo tbr tbs tbt tca tcb tcc tch tcm tco tcr tcs tct tcx th- tha thb thc thh thm tho thr ths tht thx tma tmb tmc tmh tmm tmo tmr tms tmt tmx to- toa tob toc toh tom too tor tos tot tox tra trb trc trh trm tro trr trs trt trx tsa tsb tsc tsh tsm tso tsr tss tst tsx tta ttb ttc tth ttm tto ttr tts ttt ttx txs txt xaa xac xam xar xas xat xbc xbr xbx xcb xch xcr xcx xht xma xmc xmh xmm xmo xmr xms xmt xmx xoa xoc xom xoo xor xos xot xox xrc xrt xrx xsa xsb xsc xsm xss xst xtc xtm xtr xts xtx xxo xxx

a-ha aaaa aaab aaac aaah aaam aaar aaas aaba aabb aabc aabh aabm aabt aaca aacb aacc aach aacm aaco aacr aacs aact aaha aahs aama aamb aamc aamo aamr aams aaoo aara aarc aarm aaro aars aart aasa aasc aasm aass aast aata aatc aatt abaa abab abac abam abar abas abat abax abb- abba abbb abbo abbr abbs abbt abca abcb abcc abch abcr abcs abct abha abhm abho abhr abhs abma abmb abmc abms abmt aboa abob aboh aboo abor abos abot