a-a a-b aaa aab aad aae aag aah aas ab- aba abb abd abe abg abh abs ad- ada adb add ade adg adh ads aea aeb aed aee aeg aeh aes ag- aga agb agd age agg agh ags aha ahb ahd ahe ahg ahh ahs as- asa asb asd ase asg ash ass baa bab bad bae bag bah bas bba bbb bbd bbe bbg bbh bbs bda bdb bdd bde bdg bdh bds be- bea beb bed bee beg beh bes bga bgb bgd bge bgg bgh bgs bha bhb bhd bhe bhg bhh bhs bsa bsb bsd bse bsg bsh bss daa dab dad dae dag dah das dba dbb dbd dbe dbg dbh dbs dda ddb ddd dde ddg ddh dds de- dea deb ded dee deg deh des dga dgd dge dgg dgh dgs dh- dha dhb dhd dhe dhh dhs dsa dsb dsd dse dsg dsh dss eaa eab ead eae eag eah eas eba ebb ebd ebe ebg ebh ebs ed- eda edb edd ede edg edh eds eea eeb eed eee eeg ees ega egb egd ege egg egh egs eha ehb ehd ehe ehg ehh ehs es- esa esb esd ese esg esh ess g-d gaa gab gad gae gag gah gas gba gbd gbe gbg gbh gbs gda gdb gdd gde gdh gds ge- gea geb ged gee geg geh ges gga ggb ggd ggg ggh ggs gha ghb ghd ghe ghg ghh ghs gsa gsb gsd gse gsg gss haa hab had hae hag hah has hba hbb hbd hbe hbg hbh hbs hda hdb hdd hde hdg hdh hds he- hea heb hed hee heg heh hes hga hgb hge hgg hgh hgs hha hhb hhd hhe hhg hhh hhs hsa hsb hsd hse hsg hsh hss saa sab sad sae sag sah sas sba sbb sbd sbe sbg sbh sbs sda sdb sdd sde sdg sdh sds se- sea seb sed see seg seh ses sga sgb sgd sge sgg sgh sgs sh- sha shb shd she shg shh shs ss- ssa ssb ssd sse ssg ssh sss