a-a a-b a-c aaa aab aac aae aaf aah aas aau ab- aba abb abc abe abf abh abs abu ac- aca acb acc ace acf ach acs acu aea aeb aec aee aef aeh aes aeu af- afa afb afc afe aff afh afs afu aha ahb ahc ahe ahf ahh ahs ahu as- asa asb asc ase asf ash ass asu au- aua aub auc aue auf auh aus b-u baa bab bac bae baf bah bas bau bba bbb bbc bbe bbf bbh bbs bbu bca bcb bcc bce bcf bch bcs bcu be- bea beb bec bee bef beh bes beu bfa bfb bfc bfe bff bfh bfs bfu bha bhb bhc bhe bhf bhh bhs bhu bsa bsb bsc bse bsf bsh bss bsu bua bub buc bue buf buh bus buu c-- caa cab cac cae caf cah cas cau cba cbb cbc cbe cbf cbh cbs cbu cca ccb ccc cce ccf cch ccs ccu ce- cea ceb cec cee cef ceh ces ceu cfa cfb cfc cfe cff cfh cfs cfu ch- cha chb chc che chf chh chs chu csa csb csc cse csf csh css csu cua cub cuc cue cuf cuh cus cuu eaa eab eac eae eaf eah eas eau eba ebb ebc ebe ebf ebh ebs ebu ec- eca ecb ecc ece ecf ech ecs ecu eea eeb eec eee eef ees ef- efa efb efc efe eff efh efs eha ehb ehc ehe ehf ehh ehs ehu es- esa esb esc ese esf esh ess esu eu- eua eub euc eue euf eus faa fab fac fae faf fah fas fau fba fbb fbc fbe fbf fbh fbs fbu fca fcb fcc fce fcf fcs fcu fea feb fec fee fef feh fes feu ffa ffc ffe fff ffh ffs ffu fha fhb fhc fhe fhf fhh fhs fsa fsb fsc fse fsf fsh fss fsu fua fub fue fuf fus fuu haa hab hac hae haf hah has hau hba hbb hbc hbe hbf hbh hbs hbu hca hcb hcc hce hcf hch hcs he- hea heb hec hee hef heh hes heu hfa hfb hfc hfe hff hfh hfs hfu hha hhb hhc hhe hhf hhh hhs hhu hsa hsb hsc hse hsf hsh hss hsu hua hub huc hue huf huh hus huu saa sab sac sae saf sah sas sau sba sbb sbc sbe sbf sbh sbs sbu sca scb scc sce scf sch scs scu se- sea seb sec see sef seh ses seu sfa sfb sfc sfe sff sfh sfs sfu sh- sha shb shc she shf shh shs shu ss- ssa ssb ssc sse ssf ssh sss ssu sua sub suc sue suf suh sus suu ua- uaa uab uac uae uaf uah uas uau uba ubb ubc ube ubf ubh ubs ubu uca ucb ucc uce ucf uch ucs ucu uea ueb uec uee uef ueh ues ufa ufc ufe uff ufh ufs ufu uha uhb uhc uhe uhf uhh uhs uhu usa usb usc use usf ush uss usu uua uuc uue uus uuu

-ase a-be a-fu a-ha aaaa aaab aaac aaae aaaf aaah aaas aaba aabb aabc aabh aaca aacb aacc aace aacf aach aacs aacu aaea aaec aaes aafa aafb aafc aaff aaha aahs aasa aasc aase aasf aass aasu aaus abaa abab abac abae abaf abas abau abb- abba abbb abbe abbs abca abcb abcc abcf abch abcs abec abee abes abff abha abhs abs- absa abse absf abss absu abua abue abuf abus acaa acab acac acae acas acba acca accc acce accf acch accs accu ace- acea acec aceh aces acfc acfe acfs acha ache achh achs achu acsa acsc acse acss acu- acue acuf acus aeac aeaf aeas aebs aecb aesc aess afaa afbs afca afcb afcc afch afcs afcu afee afes affa affc affs afhs afsa afsb afsc afua afue afus ahab ahac ahah ahas ahau ahfa ahha ahhs ahsa ahse ahss ahua ahus asaa asab asac asae asaf asah asas asau asba asbu asc- asca ascb ascc asce asch asea asec asee aseh ases asfa asha ashe ashs ashu assa assc asse assh asss assu asub asue asus auaa aube auca auce auch aufc aufe aufs ausa ause aush ausu baaa baaf baah baas baba babb babe babs babu bac- baca bacc bace bach bacs baes bafc baff baha bahs bahu basa basc base basf bash bass basu bau- bauf bbas bbau bbbb bbbs bbch bbeb bbfc bbhs bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcfc bche bchs bcsa bcsc bcss bcuc beaf beah beas beau beba bebb bebe beca bech becs becu beeb beef bees befa befe beff behs bes- besa bese besh bess bfas bfca bfcs bffs bfhs bhca bhcc bhff bhhs bhsf bhuu bsaa bsac bsas bscs bsea bseb bsec bsee bses bsfa bsfc bsff bsfs bshs bssc bsse buba bubb bube bubs bubu buca bucc buce buch bucs bucu buea bueu bufc bufe buff buha buhe buhs busa busc buse bush buss busu buus caaa caab caac caaf caah caas caba cabe cabf cabs cabu cac- caca cacc cace cach caec caes caeu cafa cafb cafc cafe caff cafs cafu caha cahe cahs casa casb casc case cash cass casu cauc cauf caus cbac cbbc cbbs cbca cbcc cbce cbcs cbcu cbea cbec cbee cbef cbfb cbfc cbha cbhs cbsa cbsc cbse cbus ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccs cccu ccee ccfa ccfc ccff ccha cche cchs ccsa ccsf ccss ccuc ccus ceac ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec cees cef- cefa cefc cehs cesa cesc cese cess cfaa cfab cfac cfae cfbc cfbs cfca cfcb cfcf cfcs cffb cfhs cfsa cfse chaa chab chac chae chaf chah chas chau chca chce chch chcs chea cheb chec chee chef cheh ches cheu chfa chfc chfs chha chhs chsc chse chsh chua chub chus csaa csab csac csas csbf cscb cscc csce cscf csch