-er -th a-a a-b a-c a-t aaa aab aac aae aah aar aat ab- aba abb abc abe abh abr abt ac- aca acb acc ace ach acr act aea aeb aec aee aeh aer aet aha ahb ahc ahe ahh ahr aht ar- ara arb arc are arh arr art at- ata atb atc ate ath atr att baa bab bac bae bah bar bat bba bbb bbc bbe bbh bbr bbt bca bcb bcc bce bch bcr bct be- bea beb bec bee beh ber bet bha bhb bhc bhe bhh bhr bht bra brb bre brh brr brt bta btb btc bte bth btr btt c-- caa cab cac cae cah car cat cba cbb cbc cbe cbh cbr cbt cca ccb ccc cce cch ccr cct ce- cea ceb cec cee ceh cer cet ch- cha chb chc che chh chr cht cra crb crc cre crh crr crt cta ctb ctc cte cth ctr ctt eaa eab eac eae eah ear eat eba ebb ebc ebe ebh ebr ebt ec- eca ecb ecc ece ech ecr ect eea eeb eec eee eer eet eha ehb ehc ehe ehh ehr eht era erb erc ere erh err ert eta etb etc ete eth etr ett haa hab hac hae hah har hat hba hbb hbc hbe hbh hbr hbt hca hcb hcc hce hch hcr hct he- hea heb hec hee heh her het hha hhb hhc hhe hhh hhr hht hr- hra hrb hrc hre hrh hrr hrt hta htb htc hte hth htr htt ra- raa rab rac rae rah rar rat rba rbb rbc rbe rbh rbr rbt rca rcb rcc rce rch rcr rct re- rea reb rec ree reh rer ret rh- rha rhb rhc rhe rhh rhr rht rra rrb rrc rrh rrr rrt rta rtb rtc rte rtr rtt taa tab tac tae tah tar tat tba tbb tbc tbe tbh tbr tbt tca tcb tcc tce tch tcr tct te- tea teb tec tee teh ter tet th- tha thb thc the thh thr tht tra trb trc tre trh trr trt tta ttb ttc tte tth ttr ttt

a-be a-ha aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aace aach aacr aact aaea aaec aaha aara aarc aare aart aata aatc aatt abaa abab abac abae abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abch abcr abct abec abee aber abet abha abhr abra abrc abta ac-t acaa acab acac acae acar acat acba acca accc acce acch acct ace- acea acec aceh acer acet acha ache achh achr acht acr- acra acrc acre acrr acta actc acte acth actt aeac aecb aect aeer aer- aera aerc aeta aetc aetr aett ahab ahac ahah ahar ahat ahet ahha ahra ahrc ahre ahrr ahta ahte arab arac arae arah arar arat arba arbe arbh arc- arca arce arch arct area arec aree areh aret arh- arr- arra arrc arre arrh arrr arrt arta artc arte arth artr at-t ataa atab atac atae atar atat atca atcc atch atcr atea atec atee ater atha athe atra atrc atre atta atte attr baaa baah baar baat baba babb babe babr bac- baca bacc bace bach bact baer baha bahr baht bar- bara barb barc bare barh barr bart bata batc bate bath batt bbbb bbch bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bche bcra bctc beah bear beat beba bebb bebe beca bech beeb beer beet behr bera berc bere berr bert beta betc bete beth bett bhar bhat bhca bhcc bher bhet bhra bhrt brab brac brae brah brat brca brcb brce brea breb brec bree brer bret brrr brtc btaa btcc btec btrc btrt bttb caaa caab caac caah caat caba cabe cac- caca cacc cace cach cacr caec caer caha cahe caht cara carb carc care carr cart cat- cata catb catc cate cath catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cber cbet cbha cbre cbrh cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc ccee ccha cche cchr ccra ccrc ccre ccrt cctb cctc cctt ceac cear ceat ceba cec- ceca cece cect ceeb ceec cer- cera cerc cere cert cet- ceta cete chaa chab chac chae chah char chat chca chce chch chea cheb chec chee cheh cher chet chha chra chrb chrc chrr chrt chtr chtt crab crac crar crat crbc crca crcc crce crcr cre- crea creb crec cree creh cret crrt crtc ctab ctae ctba ctca ctec ctrc ctta eaba eabh eaca eacc each eaec eara earb eare earh eart eata eate eath ebac ebba ebbc ebbr ebcc eber ecaa ecac ecar ecat ecbc ecbe ecca eccb eccc ecce ecct echa eche echt ecra ecrc ecrr ect- ecta ectc ecth eeca eeea eeee eera eerc eeta eetc eete eeth ehaa ehcc ehea eheh eher ehre ehte erat erba erbb erbe erca ercc erce erch ereb erec erer eret erhc erra errc erre erta erth etah etat etbc etbr etcc etch etec etee eter eth- etha ethe etra etre etta ette haab haar haat haba habe habt hace haec haet haha haht hara harc hare harh harr hart hata hatb hate hath hatt hbar hcat hcbc hcca hccb hccc hcch heah hear heat hebb hebe hebr heca hech hect heeb heer heet hehe hera herb herc here herr hert heta hete heth hett hhaa hhat hhhh hrac hree hrrc hrta hrtb hrte htab htcc htea htet htra httr raab raat raba rabb rabe rac- raca racc race rach ract raec raer raha rahe rahr raht rara rarb rare rata rate rath ratt rbbb rbbr rcac rcbc rccb rccc rcet rchb rctc rea- reac reae rear reat reba rebb rebe reca recc rece rech recr rect reeb reet reha rehb rehe reht rera rere rert reta rete reth retr rett rhae rhce rhea rheb rhee rhet rrah rrat rrrr rtca