-th a-a a-b a-c a-q a-t aaa aab aac aad aah aaq aar aat ab- aba abb abc abd abh abq abr abt ac- aca acb acc acd ach acq acr act ad- ada adb adc add adh adq adr adt aha ahb ahc ahd ahh ahq ahr aht aqa aqc aqr aqt ar- ara arb arc ard arh arq arr art at- ata atb atc atd ath atr att baa bab bac bad bah baq bar bat bba bbb bbc bbd bbh bbq bbr bbt bca bcb bcc bcd bch bcq bcr bct bda bdb bdc bdd bdh bdq bdr bdt bha bhb bhc bhd bhh bhq bhr bht bqc bqd bqt bra brb brd brh brq brr brt bta btb btc btd bth btq btr btt c-- caa cab cac cad cah caq car cat cba cbb cbc cbd cbh cbq cbr cbt cca ccb ccc ccd cch ccr cct cda cdb cdc cdd cdh cdq cdr cdt ch- cha chb chc chd chh chq chr cht cqa cqb cqc cqd cqt cra crb crc crd crh crq crr crt cta ctb ctc ctd cth ctq ctr ctt daa dab dac dad dah daq dar dat dba dbb dbc dbd dbh dbq dbr dbt dca dcb dcc dcd dcr dct dda ddb ddc ddd ddh ddq ddr ddt dh- dha dhb dhc dhd dhh dhr dht dqa dra drb drc drd drq drr drt dta dtb dtc dtd dth dtr dtt haa hab hac had hah haq har hat hba hbb hbc hbd hbh hbr hbt hca hcb hcc hcd hch hcr hct hda hdb hdc hdd hdh hdr hdt hha hhb hhc hhd hhh hhr hht hr- hra hrb hrc hrd hrh hrr hrt hta htb htc htd hth htr htt qaa qac qad qah qar qat qba qbc qbd qbq qca qcc qcd qct qda qdb qdr qdt qhc qqq qra qrb qrc qrh qrt qta qtc qtd qtq qtr ra- raa rab rac rad rah raq rar rat rba rbb rbc rbd rbh rbr rbt rca rcb rcc rcd rch rcr rct rda rdb rdc rdd rdh rdr rdt rh- rha rhb rhc rhd rhh rhr rht rqc rra rrb rrc rrd rrh rrq rrr rrt rta rtb rtc rtd rtq rtr rtt taa tab tac tad tah taq tar tat tba tbb tbc tbd tbh tbr tbt tca tcb tcc tcd tch tcr tct tda tdb tdc tdd tdh tdr tdt th- tha thb thc thd thh thq thr tht tra trb trc trd trh trq trr trt tta ttb ttc ttd tth ttr ttt

a-ha aaaa aaab aaac aaad aaah aaar aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aach aacr aact aada aadc aadt aaha aara aarc aard aart aata aatc aatt abaa abab abac abad abar abat abb- abba abbb abbr abbt abca abcb abcc abcd abch abcr abct abda abha abhr abra abrc abta ac-t acaa acab acac acad acar acat acba acca accc accd acch acct acda acdb acdc acdt acha achh achr acht acr- acra acrc acrr acta actc acth actt adaa adab adac adad adah adar adat adba adbc adcc adda addc addd addr adha adhd adq- adra adta ahab ahac ahad ahah ahaq ahar ahat ahha ahra ahrc ahrq ahrr ahta aqar aqda aqra arab arac arad arah araq arar arat arba arbh arc- arca arch arct arda ardc arh- arq- arqa arr- arra arrc arrh arrr arrt arta artc arth artr at-t ataa atab atac atad ataq atar atat atca atcc atch atcr atdt atha atra atrc atta attr baaa baad baah baar baat baba babb babr bac- baca bacc bach bact bada badb badd badh badr baha bahr baht baqa baqt bar- bara barb barc bard barh barq barr bart bata batc bath batt bbad bbbb bbbq bbch bbdd bbrc bcaa bcar bcat bcbc bcca bccc bcda bchd bcra bctc bd-r bdbc bddc bddh bhar bhat bhca bhcc bhra bhrt brab brac brad brah brat brca brcb brda brdt brrr brtc btaa btcc btdt btrc btrt bttb c-cd caaa caab caac caah caat caba cac- caca cacc cach cacr cada cadc cadd cadr caha caht caqh cara carb carc card carr cart cat- cata catb catc catd cath catt cbac cbar cbat cbbc cbca cbcc cbcr cbct cbdb cbdc cbha cbrd cbrh cbrt cbta cbtc ccaa ccab ccac ccad ccar ccat ccba ccbc ccca cccb cccc ccdc ccdh ccdr ccha cchr ccra ccrc ccrt cctb cctc cctt cd-r cdaa cdac cdad cdba cdda cddb cddr chaa chab chac chad chah char chat chca chch chha chqr chqt chra chrb chrc chrd chrr chrt chtr chtt crab crac crar crat crbc crca crcc crcr crda crdc crrt crtc ctab ctba ctca ctrc ctta daab daad daar daba dabb dabt daca dact dada daha dara darb darc dard darr dart data datr datt dbar dbcc dbtt dcbc dcca dccb dccc dcct dcdb dchq dcra dctc dddd ddrc dhaa dhad dhar dhat dhqd dqcd dqdb draa drab drac drad drar drat drba drbc drca drda drra dtaa dtac dtcc dthd haab haad haar haat haba habt hada hadh haha haht hara harc hard harh harr hart hata hatb hath hatt hbar hbcd hcat hcbc hcca hccb hccc hcch hcdr hcrd hdca hdda hdra hdtt hhaa hhat hhhh hqac hrac hrad hrdc hrrc hrta hrtb htab htcc htra httr qa-c qada qadr qaha qara qcad qhat qqqq qtar qtch raab raad raat raba rabb rac- raca racc rach racq ract rada radc radd radh radr radt raha rahr raht raqt rara rarb rata rath ratt rbbb rbbr rcac rcbc rccb rccc rcdc rchb rcrd rctc rdac rqda rrad rrah rrat rrrr rtca rtcc rtdt taa- taar taat taba tabb tabc taca tacc tach tact tada taha tahr taqa tara tarb tarc tard tarq tarr tart tata tatb tath tatr tatt tbar tbca tbcb tbcc tbcd tbrb tbta tcad tcca tccc tcdd tch- tcha tchh tchr tctc tdac tddb tdra thaa thad thar that thca thch thdr