a-a a-b a-t aaa aab aad aae aag aam aan aas aat ab- aba abb abd abe abg abm abn abs abt ad- ada adb add ade adg adm adn ads adt aea aeb aed aee aeg aem aen aes aet ag- aga agb agd age agg agm agn ags agt ama amb amd ame amg amm amn ams amt an- ana anb and ane ang anm ann ans ant as- asa asb asd ase asg asm asn ass ast at- ata atb atd ate atg atm atn ats att baa bab bad bae bag bam ban bas bat bba bbb bbd bbe bbg bbm bbn bbs bbt bda bdb bdd bde bdg bdm bds bdt be- bea beb bed bee beg bem ben bes bet bga bgb bgd bge bgg bgm bgn bgs bgt bma bmb bmd bme bmg bmm bmn bms bmt bna bnb bnd bne bng bnn bns bnt bsa bsb bsd bse bsg bsm bsn bss bst bta btb btd bte btg btm btn bts btt daa dab dad dae dag dam dan das dat dba dbb dbd dbe dbg dbm dbn dbs dbt dda ddb ddd dde ddg ddm ddn dds ddt de- dea deb ded dee deg dem den des det dga dgd dge dgg dgm dgn dgs dgt dma dmb dmd dme dmg dmm dmn dms dmt dna dnb dnd dne dng dnm dnn dns dnt dsa dsb dsd dse dsg dsm dsn dss dst dta dtb dtd dte dtg dtm dtn dts dtt eaa eab ead eae eag eam ean eas eat eba ebb ebd ebe ebg ebm ebn ebs ebt ed- eda edb edd ede edg edm edn eds edt eea eeb eed eee eeg eem een ees eet ega egb egd ege egg egm egn egs egt em- ema emb emd eme emg emm emn ems emt en- ena enb end ene eng enm enn ens ent es- esa esb esd ese esg esm esn ess est eta etb etd ete etg etm etn ets ett g-d gaa gab gad gae gag gam gan gas gat gba gbd gbe gbg gbm gbn gbs gbt gda gdb gdd gde gdm gdn gds gdt ge- gea geb ged gee geg gem gen ges get gga ggb ggd ggg ggm ggn ggs ggt gma gmb gmd gme gmg gmm gmn gms gmt gna gnb gnd gne gnm gnn gns gnt gsa gsb gsd gse gsg gsm gsn gss gst gta gtb gtd gte gtg gtm gtn gts gtt maa mab mad mae mag mam man mas mat mba mbb mbd mbe mbg mbm mbs mbt mda mdb mdd mde mdg mdm mdn mds mdt mea meb med mee meg mem men mes met mga mgb mgd mge mgm mgn mgs mgt mma mmb mmd mme mmg mmm mmn mms mmt mna mnb mne mng mnm mnn mns mnt msa msb msd mse msg msm msn mss mst mta mtb mtd mte mtg mtm mtn mts mtt naa nab nad nae nag nam nan nas nat nba nbb nbd nbe nbg nbm nbn nbs nbt nda ndb ndd nde ndg ndm ndn nds ndt ne- nea neb ned nee neg nem nen nes net nga ngb ngd nge ngg ngm ngn ngs ngt nma nmb nmd nme nmg nmm nmn nms nmt nna nnb nne nng nnm nnn nns nnt nsa nsb nsd nse nsg nsm nsn nss nst nta ntb ntd nte ntg ntm ntn nts ntt saa sab sad sae sag sam san sas sat sba sbb sbd sbe sbg sbm sbn sbs sbt sda sdb sdd sde sdg sdm sdn sds sdt se- sea seb sed see seg sem sen ses set sga sgb sgd sge sgg sgm sgn sgs sgt sma smb smd sme smg smm smn sms smt sna snb snd sne sng snm snn sns snt ss- ssa ssb ssd sse ssg ssm ssn sss sst sta stb std ste stg stm stn sts stt taa tab tad tae tag tam tan tas tat tba tbb tbd tbe tbg tbm tbn tbs tbt tda tdb tdd tde tdg tdm tdn tds tdt te- tea teb ted tee teg tem ten tes tet tga tgb tge tgg tgm tgn tgs tgt tma tmb tmd tme tmg tmm tmn tms tmt tna tnb tnd tne tng tnm tnn tns tnt tsa tsb tsd tse tsg tsm tsn tss tst tta ttb ttd tte ttg ttm ttn tts ttt