-th a-a a-b a-c a-t aaa aab aac aae aah aao aap aat ab- aba abb abc abe abh abo abp abt ac- aca acb acc ace ach aco acp act aea aeb aec aee aeh aeo aep aet aha ahb ahc ahe ahh aho ahp aht aoa aob aoc aoe aoh aoo aop aot ap- apa apb apc ape aph apo app apt at- ata atb atc ate ath ato atp att b-p baa bab bac bae bah bao bap bat bba bbb bbc bbe bbh bbo bbp bbt bca bcb bcc bce bch bco bcp bct be- bea beb bec bee beh beo bep bet bha bhb bhc bhe bhh bho bhp bht boa bob boc boe boh boo bop bot bpa bpb bpc bpe bph bpo bpp bpt bta btb btc bte bth bto btp btt c-- caa cab cac cae cah cao cap cat cba cbb cbc cbe cbh cbo cbp cbt cca ccb ccc cce cch cco ccp cct ce- cea ceb cec cee ceh ceo cep cet ch- cha chb chc che chh cho chp cht co- coa cob coc coe coh coo cop cot cpa cpb cpc cpe cph cpo cpp cpt cta ctb ctc cte cth cto ctp ctt eaa eab eac eae eah eao eap eat eba ebb ebc ebe ebh ebo ebp ebt ec- eca ecb ecc ece ech eco ect eea eeb eec eee eeo eep eet eha ehb ehc ehe ehh eho ehp eht eo- eoa eob eoc eoe eoh eoo eop eot ep- epa epb epc epe eph epo epp ept eta etb etc ete eth eto etp ett haa hab hac hae hah hao hap hat hba hbb hbc hbe hbh hbo hbp hbt hca hcb hcc hce hch hco hcp hct he- hea heb hec hee heh heo hep het hha hhb hhc hhe hhh hho hhp hht hoa hob hoc hoe hoh hoo hop hot hpa hpb hpc hpe hph hpo hpp hpt hta htb htc hte hth hto htp htt oaa oab oac oae oah oao oap oat ob- oba obb obc obe obh obo obp obt oc- oca ocb occ och oco ocp oct oea oeb oec oee oeh oeo oep oet oha ohc ohe ohh oho ohp oht oo- ooa oob ooc ooh ooo oop oot op- opa opb opc ope oph opo opp opt ot- ota otb otc ote oth oto otp ott p-p paa pab pac pae pah pao pap pat pba pbb pbc pbe pbo pbp pbt pca pcb pcc pce pch pco pcp pct pea peb pec pee peh peo pep pet pha phb phc phe pho php pht poa pob poc poe poh poo pop pot ppa ppb ppc ppe pph ppo ppp ppt pt- pta ptb ptc pte pth pto ptp ptt taa tab tac tae tah tao tap tat tba tbb tbc tbe tbh tbo tbp tbt tca tcb tcc tce tch tco tcp tct te- tea teb tec tee teh teo tep tet th- tha thb thc the thh tho thp tht to- toa tob toc toe toh too top tot tpa tpb tpc tpe tph tpo tpp tpt tta ttb ttc tte tth tto ttp ttt

a-be a-ha aaaa aaab aaac aaae aaah aaap aaba aabb aabc aabh aabp aabt aaca aacb aacc aace aach aaco aacp aact aaea aaec aaep aaha aaoe aaoo aapa aapc aaph aapo aapt aata aatc aatt abaa abab abac abae abap abat abb- abba abbb abbe abbo abbt abca abcb abcc abch abcp abct abec abee abet abha abho aboa abob aboh aboo abot abpa abpc abpp abta ac-t acaa acab acac acae acap acat acba acca accc acce acch acco accp acct ace- acea acec aceh acet acha ache achh acho achp acht acoa acoe acoh acop acot acpa acpe acpt acta actc acte acth acto actt aeac aeap aecb aect aeta aetc aeto aett ahab ahac ahah ahat ahet ahha ahoa ahoe ahop ahot ahta ahte ahto aoah aoba aoca aoce aopo aotc apac apah apao apap apat apba apca apcb apcc apco apea apec apeh apep apet aph- apha aphc apo- apoc apoe apoo apop apot appa appc apph appt apta aptc apte aptt at-t ataa atab atac atae atap atat atca atcc atch atco atea atec atee ateo atep atha athe atho atob atoc atoe atop atot atta atte atto attp baaa baah baat baba babb babe babo bac- baca bacc bace bach baco bact baha baho baht baoh bapa bapc bape bapp bapt bata batc bate bath bato batt bbbb bbch bbeb bbet bcaa bcap bcat bcbc bcbp bcca bccc bcec bcet bche bcpp bctc beah beap beat beba bebb bebe bebo beca bech beeb beep beet beo- beot bepo beta betc bete beth beto bett bhao bhat bhca bhcc bhet bhot boab boac boat boba bobb bobe bobo boca boce boch boco boea boec boee boeo boep boet boha boho boht boob booc booe booh boop boot bopa bope bopp bota botb bote both boto bott bpcp bpea bphc bpoe bpot btaa btbp btcc btec btob bttb c-bo caaa caab caac caah caap caat caba cabe cabo cac- caca cacc cace cach caco caec caha cahe caht capa capb capc cape caph capo capp capt cat- cata catb catc cate cath cato catt cbac cbat cbbc cbca cbcc cbce cbcp cbct cbea cbec cbee cbet cbha cbot cbpc cbpp cbta cbtc ccaa ccab ccac ccap ccat ccba ccbc ccca cccb cccc cccp ccee ccha cche cchp ccob ccoc ccpa ccpe ccpp cctb cctc cctt ceac ceat ceba cebp cec- ceca cece ceco cecp cect ceeb ceec ceop cepa cepc cepe ceph cepo cepp cept cet- ceta cete ceto cetp chaa chab chac chae chah chao chap chat chbp chca chce chch chcp chea cheb chec chee cheh chep chet chha choc choh choo chop chpa chpp chto chtt coat coba cobb cobe cobh cobo coca coce coch coco cocp coct coep coha coho coob cooh coop coot copa cope coph