a-a a-b a-i aaa aab aad aae aag aah aai aas ab- aba abb abd abe abg abh abi abs ad- ada adb add ade adg adh adi ads aea aeb aed aee aeg aeh aei aes ag- aga agb agd age agg agh agi ags aha ahb ahd ahe ahg ahh ahi ahs ai- aia aib aid aie aig aih aii ais as- asa asb asd ase asg ash asi ass baa bab bad bae bag bah bai bas bba bbb bbd bbe bbg bbh bbi bbs bda bdb bdd bde bdg bdh bdi bds be- bea beb bed bee beg beh bei bes bga bgb bgd bge bgg bgh bgi bgs bha bhb bhd bhe bhg bhh bhi bhs bi- bia bib bid bie big bih bii bis bsa bsb bsd bse bsg bsh bsi bss daa dab dad dae dag dah dai das dba dbb dbd dbe dbg dbh dbi dbs dda ddb ddd dde ddg ddh ddi dds de- dea deb ded dee deg deh dei des dga dgd dge dgg dgh dgi dgs dh- dha dhb dhd dhe dhh dhi dhs di- dia dib did die dig dih dii dis dsa dsb dsd dse dsg dsh dsi dss eaa eab ead eae eag eah eai eas eba ebb ebd ebe ebg ebh ebi ebs ed- eda edb edd ede edg edh edi eds eea eeb eed eee eeg ees ega egb egd ege egg egh egi egs eha ehb ehd ehe ehg ehh ehi ehs eia eib eid eie eig eii eis es- esa esb esd ese esg esh esi ess g-d gaa gab gad gae gag gah gai gas gba gbd gbe gbg gbh gbi gbs gda gdb gdd gde gdh gdi gds ge- gea geb ged gee geg geh gei ges gga ggb ggd ggg ggh ggi ggs gha ghb ghd ghe ghg ghh ghi ghs gia gib gid gie gig gih gii gis gsa gsb gsd gse gsg gsi gss h-i haa hab had hae hag hah hai has hba hbb hbd hbe hbg hbh hbi hbs hda hdb hdd hde hdg hdh hdi hds he- hea heb hed hee heg heh hei hes hga hgb hge hgg hgh hgi hgs hha hhb hhd hhe hhg hhh hhi hhs hia hib hid hie hig hih hii his hsa hsb hsd hse hsg hsh hsi hss i-d ia- iaa iab iad iae iag iah iai ias iba ibb ibd ibe ibg ibh ibi ibs ida idb idd ide idg idh idi ids ie- iea ied iee ieg iei ies iga igb igd ige igg igh igi igs iha ihb ihd ihe ihg ihh ihi ihs iia iib iid iie iih iii iis is- isa isb isd ise isg ish isi iss saa sab sad sae sag sah sai sas sba sbb sbd sbe sbg sbh sbi sbs sda sdb sdd sde sdg sdh sdi sds se- sea seb sed see seg seh sei ses sga sgb sgd sge sgg sgh sgi sgs sh- sha shb shd she shg shh shi shs sia sib sid sie sig sih sii sis ss- ssa ssb ssd sse ssg ssh ssi sss