-th a-a a-b a-c a-t aaa aab aac aae aah aas aat aau ab- aba abb abc abe abh abs abt abu ac- aca acb acc ace ach acs act acu aea aeb aec aee aeh aes aet aeu aha ahb ahc ahe ahh ahs aht ahu as- asa asb asc ase ash ass ast asu at- ata atb atc ate ath ats att atu au- aua aub auc aue auh aus aut b-u baa bab bac bae bah bas bat bau bba bbb bbc bbe bbh bbs bbt bbu bca bcb bcc bce bch bcs bct bcu be- bea beb bec bee beh bes bet beu bha bhb bhc bhe bhh bhs bht bhu bsa bsb bsc bse bsh bss bst bsu bta btb btc bte bth bts btt btu bua bub buc bue buh bus but buu c-- caa cab cac cae cah cas cat cau cba cbb cbc cbe cbh cbs cbt cbu cca ccb ccc cce cch ccs cct ccu ce- cea ceb cec cee ceh ces cet ceu ch- cha chb chc che chh chs cht chu csa csb csc cse csh css cst csu cta ctb ctc cte cth cts ctt ctu cua cub cuc cue cuh cus cut cuu eaa eab eac eae eah eas eat eau eba ebb ebc ebe ebh ebs ebt ebu ec- eca ecb ecc ece ech ecs ect ecu eea eeb eec eee ees eet eha ehb ehc ehe ehh ehs eht ehu es- esa esb esc ese esh ess est esu eta etb etc ete eth ets ett etu eu- eua eub euc eue eus eut haa hab hac hae hah has hat hau hba hbb hbc hbe hbh hbs hbt hbu hca hcb hcc hce hch hcs hct he- hea heb hec hee heh hes het heu hha hhb hhc hhe hhh hhs hht hhu hsa hsb hsc hse hsh hss hst hsu hta htb htc hte hth hts htt hua hub huc hue huh hus hut huu saa sab sac sae sah sas sat sau sba sbb sbc sbe sbh sbs sbt sbu sca scb scc sce sch scs sct scu se- sea seb sec see seh ses set seu sh- sha shb shc she shh shs sht shu ss- ssa ssb ssc sse ssh sss sst ssu sta stb stc ste sth sts stt stu sua sub suc sue suh sus sut suu taa tab tac tae tah tas tat tau tba tbb tbc tbe tbh tbs tbt tbu tca tcb tcc tce tch tcs tct tcu te- tea teb tec tee teh tes tet teu th- tha thb thc the thh ths tht thu tsa tsb tsc tse tsh tss tst tsu tta ttb ttc tte tth tts ttt ttu tua tub tuc tue tuh tus tut tuu ua- uaa uab uac uae uah uas uat uau uba ubb ubc ube ubh ubs ubt ubu uca ucb ucc uce uch ucs uct ucu uea ueb uec uee ueh ues uet uha uhb uhc uhe uhh uhs uht uhu usa usb usc use ush uss ust usu uta utb utc ute uth uts utt utu uua uuc uue uus uut uuu

-ase a-be a-ha aaaa aaab aaac aaae aaah aaas aaba aabb aabc aabh aabt aaca aacb aacc aace aach aacs aact aacu aaea aaec aaes aaha aahs aasa aasc aase aass aast aasu aata aatc aatt aaus abaa abab abac abae abas abat abau abb- abba abbb abbe abbs abbt abca abcb abcc abch abcs abct abec abee abes abet abha abhs abs- absa abse abss absu abta abts abtu abua abue abus abut ac-t acaa acab acac acae acas acat acba acca accc acce acch accs acct accu ace- acea acec aceh aces acet acha ache achh achs acht achu acsa acsc acse acss acst acta actc acte acth acts actt actu acu- acue acus acut aeac aeas aebs aecb aect aesc aess aest aeta aetc aett ahab ahac ahah ahas ahat ahau ahet ahha ahhs ahsa ahse ahss ahta ahte ahts ahua ahus asaa asab asac asae asah asas asat asau asba asbu asc- asca ascb ascc asce asch asct asea asec asee aseh ases aset asha ashe ashs asht ashu assa assc asse assh asss asst assu asta astb astc aste asts asub asue asus at-t ataa atab atac atae atas atat atbs atca atcc atch atcs atea atec atee ates atha athe aths atsb atsc atse atst atta atte atts attu atua atub atuc atus auaa aube auca auce auch auct auht ausa ause aush aust ausu aut- aute auth auts baaa baah baas baat baba babb babe babs babu bac- baca bacc bace bach bacs bact baes baha bahs baht bahu basa basc base bash bass bast basu bata batc bate bath bats batt batu bau- bbas bbau bbbb bbbs bbch bbeb bbet bbhs bcaa bcas bcat bcbc bcbs bcca bccc bccs bcec bces bcet bche bchs bcsa bcsc bcss bctc bcts bcuc beah beas beat beau beba bebb bebe beca bech becs becu beeb bees beet behs bes- besa bese besh bess best beta betc bete beth bets bett betu bhat bhca bhcc bhet bhhs bhut bhuu bsaa bsac bsas bsat bscs bsea bseb bsec bsee bses bset bshs bssc bsse bsts btaa btcc btcs btec bths btss bttb btus buat buba bubb bube bubs bubu buca bucc buce buch bucs bucu buea bueu buha buhe buhs busa busc buse bush buss bust busu but- buta bute buts butt buus caaa caab caac caah caas caat caba cabe cabs cabu cac- caca cacc cace cach caec caes caeu caha cahe cahs caht casa casb casc case cash cass cast casu cat- cata catb catc cate cath cats catt catu cauc caus caut cbac cbat cbbc cbbs cbca cbcc cbce cbcs cbct cbcu cbea cbec cbee cbet cbha cbhs cbsa cbsc cbse cbta cbtc cbus ccaa ccab ccac ccas ccat ccba ccbc ccca cccb cccc cccs cccu ccee ccha cche cchs ccsa ccss ccst cctb cctc cctt ccuc