-th a-a a-b a-c a-t aaa aab aac aad aah aar aat ab- aba abb abc abd abh abr abt ac- aca acb acc acd ach acr act ad- ada adb adc add adh adr adt aha ahb ahc ahd ahh ahr aht ar- ara arb arc ard arh arr art at- ata atb atc atd ath atr att baa bab bac bad bah bar bat bba bbb bbc bbd bbh bbr bbt bca bcb bcc bcd bch bcr bct bda bdb bdc bdd bdh bdr bdt bha bhb bhc bhd bhh bhr bht bra brb brd brh brr brt bta btb btc btd bth btr btt c-- caa cab cac cad cah car cat cba cbb cbc cbd cbh cbr cbt cca ccb ccc ccd cch ccr cct cda cdb cdc cdd cdh cdr cdt ch- cha chb chc chd chh chr cht cra crb crc crd crh crr crt cta ctb ctc ctd cth ctr ctt daa dab dac dad dah dar dat dba dbb dbc dbd dbh dbr dbt dca dcb dcc dcd dcr dct dda ddb ddc ddd ddh ddr ddt dh- dha dhb dhc dhd dhh dhr dht dra drb drc drd drr drt dta dtb dtc dtd dth dtr dtt haa hab hac had hah 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 ra- raa rab rac rad rah 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 rra rrb rrc rrd rrh rrr rrt rta rtb rtc rtd rtr rtt taa tab tac tad tah 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 thr tht tra trb trc trd trh 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 adra adta ahab ahac ahad ahah ahar ahat ahha ahra ahrc ahrr ahta arab arac arad arah arar arat arba arbh arc- arca arch arct arda ardc arh- arr- arra arrc arrh arrr arrt arta artc arth artr at-t ataa atab atac atad 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 bar- bara barb barc bard barh barr bart bata batc bath batt bbad bbbb 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 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 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 dcra dctc dddd ddrc dhaa dhad dhar dhat 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 hrac hrad hrdc hrrc hrta hrtb htab htcc htra httr raab raad raat raba rabb rac- raca racc rach ract rada radc radd radh radr radt raha rahr raht rara rarb rata rath ratt rbbb rbbr rcac rcbc rccb rccc rcdc rchb rcrd rctc rdac rrad rrah rrat rrrr rtca rtcc rtdt taa- taar taat taba tabb tabc taca tacc tach tact tada taha tahr tara tarb tarc tard 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 thra thtb thtr traa trab trac trad trat trca trcc trra trtc trtr ttab ttbb tttt

-aaa- -abad aaaah aaadc aaarc aaata aabaa aabba aabra aacbc aadac aadat aahaa aahat aarah aarch abaab ababa abaca abada abaht abara abath abbac abbad abbar abbat abccc abcdb abhar abrac abrad abrar abtaa abtar acaca acacb acar- acara acard accad accra accrd achab achar achat acrab act-r actar actra adaba adact adada adara adata addah addha addra adhar adhhd adrad adrar ahaat ahard ahata ahhaa ahhha ahrab ahrar ahtra ar-ab ara-c araat arab- araba araca arach arada araht arara arata arath arbab arbar arbat arch- archa archb archd archt arct- arcth ardab ardah ardra arhar