a-a a-b a-i aaa aab aad aae aag aai aam aas ab- aba abb abd abe abg abi abm abs ad- ada adb add ade adg adi adm ads aea aeb aed aee aeg aei aem aes ag- aga agb agd age agg agi agm ags ai- aia aib aid aie aig aii aim ais ama amb amd ame amg ami amm ams as- asa asb asd ase asg asi asm ass baa bab bad bae bag bai bam bas bba bbb bbd bbe bbg bbi bbm bbs bda bdb bdd bde bdg bdi bdm bds be- bea beb bed bee beg bei bem bes bga bgb bgd bge bgg bgi bgm bgs bi- bia bib bid bie big bii bim bis bma bmb bmd bme bmg bmi bmm bms bsa bsb bsd bse bsg bsi bsm bss daa dab dad dae dag dai dam das dba dbb dbd dbe dbg dbi dbm dbs dda ddb ddd dde ddg ddi ddm dds de- dea deb ded dee deg dei dem des dga dgd dge dgg dgi dgm dgs di- dia dib did die dig dii dim dis dma dmb dmd dme dmg dmi dmm dms dsa dsb dsd dse dsg dsi dsm dss eaa eab ead eae eag eai eam eas eba ebb ebd ebe ebg ebi ebm ebs ed- eda edb edd ede edg edi edm eds eea eeb eed eee eeg eem ees ega egb egd ege egg egi egm egs eia eib eid eie eig eii eim eis em- ema emb emd eme emg emi emm ems es- esa esb esd ese esg esi esm ess g-d gaa gab gad gae gag gai gam gas gba gbd gbe gbg gbi gbm gbs gda gdb gdd gde gdi gdm gds ge- gea geb ged gee geg gei gem ges gga ggb ggd ggg ggi ggm ggs gia gib gid gie gig gii gim gis gma gmb gmd gme gmg gmi gmm gms gsa gsb gsd gse gsg gsi gsm gss i-d ia- iaa iab iad iae iag iai iam ias iba ibb ibd ibe ibg ibi ibm ibs ida idb idd ide idg idi idm ids ie- iea ied iee ieg iei iem ies iga igb igd ige igg igi igm igs iia iib iid iie iii iim iis im- ima imb imd ime img imi imm ims is- isa isb isd ise isg isi ism iss maa mab mad mae mag mai mam mas mba mbb mbd mbe mbg mbi mbm mbs mda mdb mdd mde mdg mdi mdm mds mea meb med mee meg mei mem mes mga mgb mgd mge mgi mgm mgs mi- mia mib mid mie mig mii mim mis mma mmb mmd mme mmg mmi mmm mms msa msb msd mse msg msi msm mss saa sab sad sae sag sai sam sas sba sbb sbd sbe sbg sbi sbm sbs sda sdb sdd sde sdg sdi sdm sds se- sea seb sed see seg sei sem ses sga sgb sgd sge sgg sgi sgm sgs sia sib sid sie sig sii sim sis sma smb smd sme smg smi smm sms ss- ssa ssb ssd sse ssg ssi ssm sss