a-a a-b a-c aaa aab aac aad aae aaf aah aas aau ab- aba abb abc abd abe abf abh abs abu ac- aca acb acc acd ace acf ach acs acu ad- ada adb adc add ade adf adh ads adu aea aeb aec aed aee aef aeh aes aeu af- afa afb afc afd afe aff afh afs afu aha ahb ahc ahd ahe ahf ahh ahs ahu as- asa asb asc asd ase asf ash ass asu au- aua aub auc aud aue auf auh aus b-u baa bab bac bad bae baf bah bas bau bba bbb bbc bbd bbe bbf bbh bbs bbu bca bcb bcc bcd bce bcf bch bcs bcu bda bdb bdc bdd bde bdf bdh bds bdu be- bea beb bec bed bee bef beh bes beu bfa bfb bfc bfd bfe bff bfh bfs bfu bha bhb bhc bhd bhe bhf bhh bhs bhu bsa bsb bsc bsd bse bsf bsh bss bsu bua bub buc bud bue buf buh bus buu c-- caa cab cac cad cae caf cah cas cau cba cbb cbc cbd cbe cbf cbh cbs cbu cca ccb ccc ccd cce ccf cch ccs ccu cda cdb cdc cdd cde cdf cdh cds cdu ce- cea ceb cec ced cee cef ceh ces ceu cfa cfb cfc cfd cfe cff cfh cfs cfu ch- cha chb chc chd che chf chh chs chu csa csb csc csd cse csf csh css csu cua cub cuc cud cue cuf cuh cus cuu daa dab dac dad dae daf dah das dau dba dbb dbc dbd dbe dbf dbh dbs dbu dca dcb dcc dcd dce dcf dcs dcu dda ddb ddc ddd dde ddf ddh dds ddu de- dea deb dec ded dee def deh des deu dfa dfb dfc dfd dfe dff dfh dfs dfu dh- dha dhb dhc dhd dhe dhf dhh dhs dhu dsa dsb dsc dsd dse dsf dsh dss dsu dua dub duc dud due duf duh dus eaa eab eac ead eae eaf eah eas eau eba ebb ebc ebd ebe ebf ebh ebs ebu ec- eca ecb ecc ecd ece ecf ech ecs ecu ed- eda edb edc edd ede edf edh eds edu eea eeb eec eed eee eef ees ef- efa efb efc efd efe eff efh efs eha ehb ehc ehd ehe ehf ehh ehs ehu es- esa esb esc esd ese esf esh ess esu eu- eua eub euc eud eue euf eus faa fab fac fad fae faf fah fas fau fba fbb fbc fbd fbe fbf fbh fbs fbu fca fcb fcc fcd fce fcf fcs fcu fda fdb fdc fdd fde fdf fdh fds fdu fea feb fec fed fee fef feh fes feu ffa ffc ffd ffe fff ffh ffs ffu fha fhb fhc fhe fhf fhh fhs fsa fsb fsc fsd fse fsf fsh fss fsu fua fub fud fue fuf fus fuu haa hab hac had hae haf hah has hau hba hbb hbc hbd hbe hbf hbh hbs hbu hca hcb hcc hcd hce hcf hch hcs hda hdb hdc hdd hde hdf hdh hds hdu he- hea heb hec hed hee hef heh hes heu hfa hfb hfc hfd hfe hff hfh hfs hfu hha hhb hhc hhd hhe hhf hhh hhs hhu hsa hsb hsc hsd hse hsf hsh hss hsu hua hub huc hud hue huf huh hus huu saa sab sac sad sae saf sah sas sau sba sbb sbc sbd sbe sbf sbh sbs sbu sca scb scc scd sce scf sch scs scu sda sdb sdc sdd sde sdf sdh sds sdu se- sea seb sec sed see sef seh ses seu sfa sfb sfc sfd sfe sff sfh sfs sfu sh- sha shb shc shd she shf shh shs shu ss- ssa ssb ssc ssd sse ssf ssh sss ssu sua sub suc sud sue suf suh sus suu ua- uaa uab uac uad uae uaf uah uas uau uba ubb ubc ube ubf ubh ubs ubu uca ucb ucc ucd uce ucf uch ucs ucu uda udb udc udd ude udf uds udu uea ueb uec ued uee uef ueh ues ufa ufc ufd ufe uff ufh ufs ufu uha uhb uhc uhd uhe uhf uhh uhs uhu usa usb usc usd use usf ush uss usu uua uuc uue uus uuu

-ase a-be a-fu a-ha aaaa aaab aaac aaad aaae aaaf aaah aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aace aacf aach aacs aacu aada aadc aade aads aadu aaea aaec aaes aafa aafb aafc aafd aaff aaha aahs aasa aasc aasd aase aasf aass aasu aaus abaa abab abac abad abae abaf abas abau abb- abba abbb abbe abbs abca abcb abcc abcd abcf abch abcs abda abdu abec abed abee abes abff abha abhs abs- absa absd abse absf abss absu abua abud abue abuf abus acaa acab acac acad acae acas acba acca accc accd acce accf acch accs accu acda acdb acdc acde acdf acds ace- acea acec aced aceh aces acfc acfd acfe acfs acha ache achh achs achu acsa acsc acsd acse acss acu- acue acuf acus adaa adab adac adad adae adah adas adba adbc adcc adcs adda addc addd adde adds addu adea adeb adee adeh ades adfa adfc adfs adha adhd adhs adhu adsa adss adua adub adue aeac aeaf aeas aebs aecb aede aesc aesd aess afaa afad afbs afca afcb afcc afch afcs afcu afdb afdc afee afes affa affc affs afhs afsa afsb afsc afua afud afue afus ahab ahac ahad ahah ahas ahau ahed ahfa ahha ahhs ahsa ahse ahss ahua ahus asaa asab asac asad asae asaf asah asas asau asba asbu asc- asca ascb ascc asce asch asda asde asdf asds asea asec asee aseh ases asfa asha ashe ashs ashu assa assc assd asse assh asss assu asub asud asue asus auaa aube auca auce auch audc aude audh aufc