a-a a-b a-i aaa aab aad aae aag aai aam aan aas ab- aba abb abd abe abg abi abm abn abs ad- ada adb add ade adg adi adm adn ads aea aeb aed aee aeg aei aem aen aes ag- aga agb agd age agg agi agm agn ags ai- aia aib aid aie aig aii aim ain ais ama amb amd ame amg ami amm amn ams an- ana anb and ane ang ani anm ann ans as- asa asb asd ase asg asi asm asn ass baa bab bad bae bag bai bam ban bas bba bbb bbd bbe bbg bbi bbm bbn bbs bda bdb bdd bde bdg bdi bdm bds be- bea beb bed bee beg bei bem ben bes bga bgb bgd bge bgg bgi bgm bgn bgs bi- bia bib bid bie big bii bim bin bis bma bmb bmd bme bmg bmi bmm bmn bms bna bnb bnd bne bng bni bnn bns bsa bsb bsd bse bsg bsi bsm bsn bss daa dab dad dae dag dai dam dan das dba dbb dbd dbe dbg dbi dbm dbn dbs dda ddb ddd dde ddg ddi ddm ddn dds de- dea deb ded dee deg dei dem den des dga dgd dge dgg dgi dgm dgn dgs di- dia dib did die dig dii dim din dis dma dmb dmd dme dmg dmi dmm dmn dms dna dnb dnd dne dng dni dnm dnn dns dsa dsb dsd dse dsg dsi dsm dsn dss eaa eab ead eae eag eai eam ean eas eba ebb ebd ebe ebg ebi ebm ebn ebs ed- eda edb edd ede edg edi edm edn eds eea eeb eed eee eeg eem een ees ega egb egd ege egg egi egm egn egs eia eib eid eie eig eii eim ein eis em- ema emb emd eme emg emi emm emn ems en- ena enb end ene eng eni enm enn ens es- esa esb esd ese esg esi esm esn ess g-d gaa gab gad gae gag gai gam gan gas gba gbd gbe gbg gbi gbm gbn gbs gda gdb gdd gde gdi gdm gdn gds ge- gea geb ged gee geg gei gem gen ges gga ggb ggd ggg ggi ggm ggn ggs gia gib gid gie gig gii gim gin gis gma gmb gmd gme gmg gmi gmm gmn gms gna gnb gnd gne gni gnm gnn gns gsa gsb gsd gse gsg gsi gsm gsn gss i-d ia- iaa iab iad iae iag iai iam ian ias iba ibb ibd ibe ibg ibi ibm ibn ibs ida idb idd ide idg idi idm idn ids ie- iea ied iee ieg iei iem ien ies iga igb igd ige igg igi igm ign igs iia iib iid iie iii iim iin iis im- ima imb imd ime img imi imm imn ims in- ina inb ind ine ing ini inm inn ins is- isa isb isd ise isg isi ism isn iss maa mab mad mae mag mai mam man mas mba mbb mbd mbe mbg mbi mbm mbs mda mdb mdd mde mdg mdi mdm mdn mds mea meb med mee meg mei mem men mes mga mgb mgd mge mgi mgm mgn mgs mi- mia mib mid mie mig mii mim min mis mma mmb mmd mme mmg mmi mmm mmn mms mna mnb mne mng mni mnm mnn mns msa msb msd mse msg msi msm msn mss n-i naa nab nad nae nag nai nam nan nas nba nbb nbd nbe nbg nbi nbm nbn nbs nda ndb ndd nde ndg ndi ndm ndn nds ne- nea neb ned nee neg nei nem nen nes nga ngb ngd nge ngg ngi ngm ngn ngs nia nib nid nie nig nii nim nin nis nma nmb nmd nme nmg nmi nmm nmn nms nna nnb nne nng nni nnm nnn nns nsa nsb nsd nse nsg nsi nsm nsn nss saa sab sad sae sag sai sam san sas sba sbb sbd sbe sbg sbi sbm sbn sbs sda sdb sdd sde sdg sdi sdm sdn sds se- sea seb sed see seg sei sem sen ses sga sgb sgd sge sgg sgi sgm sgn sgs sia sib sid sie sig sii sim sin sis sma smb smd sme smg smi smm smn sms sna snb snd sne sng sni snm snn sns ss- ssa ssb ssd sse ssg ssi ssm ssn sss