a-a a-b a-c aaa aab aac aad aae aag aah aas aau ab- aba abb abc abd abe abg abh abs abu ac- aca acb acc acd ace acg ach acs acu ad- ada adb adc add ade adg adh ads adu aea aeb aec aed aee aeg aeh aes aeu ag- aga agb agc agd age agg agh ags agu aha ahb ahc ahd ahe ahg ahh ahs ahu as- asa asb asc asd ase asg ash ass asu au- aua aub auc aud aue aug auh aus b-u baa bab bac bad bae bag bah bas bau bba bbb bbc bbd bbe bbg bbh bbs bbu bca bcb bcc bcd bce bcg bch bcs bcu bda bdb bdc bdd bde bdg bdh bds bdu be- bea beb bec bed bee beg beh bes beu bga bgb bgc bgd bge bgg bgh bgs bgu bha bhb bhc bhd bhe bhg bhh bhs bhu bsa bsb bsc bsd bse bsg bsh bss bsu bua bub buc bud bue bug buh bus buu c-- caa cab cac cad cae cag cah cas cau cba cbb cbc cbd cbe cbg cbh cbs cbu cca ccb ccc ccd cce ccg cch ccs ccu cda cdb cdc cdd cde cdg cdh cds cdu ce- cea ceb cec ced cee ceg ceh ces ceu cga cgb cgc cgd cge cgg cgh cgs cgu ch- cha chb chc chd che chg chh chs chu csa csb csc csd cse csg csh css csu cua cub cuc cud cue cug cuh cus cuu daa dab dac dad dae dag dah das dau dba dbb dbc dbd dbe dbg dbh dbs dbu dca dcb dcc dcd dce dcg dcs dcu dda ddb ddc ddd dde ddg ddh dds ddu de- dea deb dec ded dee deg deh des deu dga dgc dgd dge dgg dgh dgs dgu dh- dha dhb dhc dhd dhe dhh dhs dhu dsa dsb dsc dsd dse dsg dsh dss dsu dua dub duc dud due dug duh dus eaa eab eac ead eae eag eah eas eau eba ebb ebc ebd ebe ebg ebh ebs ebu ec- eca ecb ecc ecd ece ecg ech ecs ecu ed- eda edb edc edd ede edg edh eds edu eea eeb eec eed eee eeg ees ega egb egc egd ege egg egh egs egu eha ehb ehc ehd ehe ehg ehh ehs ehu es- esa esb esc esd ese esg esh ess esu eu- eua eub euc eud eue eug eus g-d gaa gab gac gad gae gag gah gas gau gba gbc gbd gbe gbg gbh gbs gbu gca gcb gcc gcd gce gcg gch gcs gcu gda gdb gdc gdd gde gdh gds gdu ge- gea geb gec ged gee geg geh ges geu gga ggb ggc ggd ggg ggh ggs ggu gha ghb ghc ghd ghe ghg ghh ghs gsa gsb gsc gsd gse gsg gss gsu gu- gua gub guc gud gue gug gus guu haa hab hac had hae hag hah has hau hba hbb hbc hbd hbe hbg hbh hbs hbu hca hcb hcc hcd hce hcg hch hcs hda hdb hdc hdd hde hdg hdh hds hdu he- hea heb hec hed hee heg heh hes heu hga hgb hgc hge hgg hgh hgs hgu hha hhb hhc hhd hhe hhg hhh hhs hhu hsa hsb hsc hsd hse hsg hsh hss hsu hua hub huc hud hue hug huh hus huu saa sab sac sad sae sag sah sas sau sba sbb sbc sbd sbe sbg sbh sbs sbu sca scb scc scd sce scg sch scs scu sda sdb sdc sdd sde sdg sdh sds sdu se- sea seb sec sed see seg seh ses seu sga sgb sgc sgd sge sgg sgh sgs sgu sh- sha shb shc shd she shg shh shs shu ss- ssa ssb ssc ssd sse ssg ssh sss ssu sua sub suc sud sue sug suh sus suu ua- uaa uab uac uad uae uag uah uas uau uba ubb ubc ube ubg ubh ubs ubu uca ucb ucc ucd uce ucg uch ucs ucu uda udb udc udd ude udg uds udu uea ueb uec ued uee ueg ueh ues uga ugb ugc uge ugg ugh ugs ugu uha uhb uhc uhd uhe uhh uhs uhu usa usb usc usd use usg ush uss usu uua uuc uue uug uus uuu