-th a-a a-b a-c a-t aaa aab aac aae aah aak aas aat ab- aba abb abc abe abh abk abs abt ac- aca acb acc ace ach ack acs act aea aeb aec aee aeh aek aes aet aha ahb ahc ahe ahh ahk ahs aht aka akb akc ake akh akk aks as- asa asb asc ase ash ask ass ast at- ata atb atc ate ath ats att baa bab bac bae bah bak bas bat bba bbb bbc bbe bbh bbk bbs bbt bca bcb bcc bce bch bck bcs bct be- bea beb bec bee beh bek bes bet bha bhb bhc bhe bhh bhk bhs bht bka bkb bkc bke bkk bks bkt bsa bsb bsc bse bsh bsk bss bst bta btb btc bte bth btk bts btt c-- caa cab cac cae cah cak cas cat cba cbb cbc cbe cbh cbk cbs cbt cca ccb ccc cce cch cck ccs cct ce- cea ceb cec cee ceh cek ces cet ch- cha chb chc che chh chk chs cht cka ckb ckc ckh cks ckt csa csb csc cse csh csk css cst cta ctb ctc cte cth ctk cts ctt eaa eab eac eae eah eak eas eat eba ebb ebc ebe ebh ebk ebs ebt ec- eca ecb ecc ece ech eck ecs ect eea eeb eec eee eek ees eet eha ehb ehc ehe ehh ehs eht eka ekb ekc eke ekh eks ekt es- esa esb esc ese esh esk ess est eta etb etc ete eth etk ets ett haa hab hac hae hah hak has hat hba hbb hbc hbe hbh hbk hbs hbt hca hcb hcc hce hch hck hcs hct he- hea heb hec hee heh hek hes het hha hhb hhc hhe hhh hhk hhs hht hka hkb hkh hkk hks hkt hsa hsb hsc hse hsh hsk hss hst hta htb htc hte hth htk hts htt k-t ka- kaa kab kac kae kah kak kas kat kba kbb kbc kbe kbh kbk kbs kca kcb kcc kce kch kck kcs kct ke- kea keb kec kee keh kek kes ket kha khe khh khk khs kkb kkc kke kkh kkk kks kkt ksa ksb ksc kse ksh ksk kss kst kta ktb ktc kte kth ktk kts ktt saa sab sac sae sah sak sas sat sba sbb sbc sbe sbh sbk sbs sbt sca scb scc sce sch sck scs sct se- sea seb sec see seh sek ses set sh- sha shb shc she shh shk shs sht sk- ska skb skc ske skh skk sks skt ss- ssa ssb ssc sse ssh ssk sss sst sta stb stc ste sth stk sts stt taa tab tac tae tah tak tas tat tba tbb tbc tbe tbh tbk tbs tbt tca tcb tcc tce tch tck tcs tct te- tea teb tec tee teh tek tes tet th- tha thb thc the thh thk ths tht tka tkb tkc tke tkk tks tkt tsa tsb tsc tse tsh tsk tss tst tta ttb ttc tte tth ttk tts ttt

-ase a-ak a-be a-ha aaaa aaab aaac aaae aaah aaas aaba aabb aabc aabh aabt aaca aacb aacc aace aach aack aacs aact aaea aaec aaes aaha aahk aahs aaka aake aasa aasc aase aass aast aata aatc aatk aatt abaa abab abac abae abak abas abat abb- abba abbb abbe abbs abbt abca abcb abcc abch abcs abct abec abee abes abet abha abhs abs- absa abse abss abta abts ac-t acaa acab acac acae acas acat acba acca accc acce acch accs acct ace- acea acec aceh acek aces acet acha ache achh achs acht acke acks acsa acsc acse acss acst acta actc acte acth acts actt aeac aeas aebs aecb aect aeka aesc aess aest aeta aetc aett ahab ahac ahah ahas ahat ahet ahha ahhs ahsa ahse ahss ahta ahte ahts akaa akae akah akas akca akee akes akha akhs akka aksa akst akte asaa asab asac asae asah asak asas asat asba asc- asca ascb ascc asce asch asct asea asec asee aseh asek ases aset asha ashe ashk ashs asht aska aske asks askt assa assc asse assh assk asss asst asta astb astc aste asts at-t ataa atab atac atae atak atas atat atbs atca atcc atch atck atcs atea atec atee ates atha athe aths atka atkt atsb atsc atse atst atta atte atts baaa baah baak baas baat baba babb babe babs bac- baca bacc bace bach back bacs bact baek baes baha bahs baht bak- baka bake bakh baks bakt basa basc base bash bask bass bast bata batc bate bath bats batt bbas bbbb bbbs bbch bbeb bbet bbhs bcaa bcas bcat bcbc bcbs bcca bccc bccs bcec bces bcet bche bchs bcsa bcsc bcss bctc bcts beah beak beas beat beba bebb bebe beca bech beck becs beeb beek bees beet behs beka beke beks bes- besa bese besh besk bess best beta betc bete beth bets bett bhat bhca bhcc bhet bhhs bkhs bsaa bsac bsas bsat bscs bsea bseb bsec bsee bses bset bshs bskt bssc bsse bsts btaa btcc btcs btec btek bths btss bttb caaa caab caac caah caas caat caba cabe cabs cac- caca cacc cace cach cack caec caes caha cahe cahs caht caka cake casa casb casc case cash cask cass cast cat- cata catb catc cate cath cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbea cbec cbee cbet cbha cbhs cbka cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccs ccee ccha cche cchs ccsa ccss ccst cctb cctc cctt ceac ceas ceat ceba cebs cec- ceca cece cecs cect ceeb ceec cees cehs ceke cesa cesc cese cess cest cet- ceta cete cets chaa chab chac chae chah chak chas chat chca chce chch chcs chea cheb chec chee cheh chek ches chet chha chhs chka