a-a a-b a-t aaa aab aad aae aag aam aao aat ab- aba abb abd abe abg abm abo abt ad- ada adb add ade adg adm ado adt aea aeb aed aee aeg aem aeo aet ag- aga agb agd age agg agm ago agt ama amb amd ame amg amm amo amt aoa aob aod aoe aog aom aoo aot at- ata atb atd ate atg atm ato att baa bab bad bae bag bam bao bat bba bbb bbd bbe bbg bbm bbo bbt bda bdb bdd bde bdg bdm bdo bdt be- bea beb bed bee beg bem beo bet bga bgb bgd bge bgg bgm bgo bgt bma bmb bmd bme bmg bmm bmo bmt boa bob bod boe bog bom boo bot bta btb btd bte btg btm bto btt daa dab dad dae dag dam dao dat dba dbb dbd dbe dbg dbm dbo dbt dda ddb ddd dde ddg ddm ddo ddt de- dea deb ded dee deg dem deo det dga dgd dge dgg dgm dgt dma dmb dmd dme dmg dmm dmo dmt doa dob dod doe dog dom doo dot dta dtb dtd dte dtg dtm dto dtt eaa eab ead eae eag eam eao eat eba ebb ebd ebe ebg ebm ebo ebt ed- eda edb edd ede edg edm edo edt eea eeb eed eee eeg eem eeo eet ega egb egd ege egg egm ego egt em- ema emb emd eme emg emm emo emt eo- eoa eob eod eoe eog eom eoo eot eta etb etd ete etg etm eto ett g-d gaa gab gad gae gag gam gao gat gba gbd gbe gbg gbm gbo gbt gda gdb gdd gde gdm gdo gdt ge- gea geb ged gee geg gem geo get gga ggb ggd ggg ggm ggo ggt gma gmb gmd gme gmg gmm gmo gmt goa gob god goe gog gom goo got gta gtb gtd gte gtg gtm gto gtt m-o maa mab mad mae mag mam mao mat mba mbb mbd mbe mbg mbm mbo mbt mda mdb mdd mde mdg mdm mdo mdt mea meb med mee meg mem meo met mga mgb mgd mge mgm mgo mgt mma mmb mmd mme mmg mmm mmo mmt moa mob mod moe mog mom moo mot mta mtb mtd mte mtg mtm mto mtt oaa oab oad oae oag oam oao oat ob- oba obb obd obe obg obm obo obt oda odb odd ode odg odm odo odt oea oeb oed oee oeg oem oeo oet oga ogd oge ogg ogo ogt om- oma omb omd ome omg omm omo omt oo- ooa oob ood oog oom ooo oot ot- ota otb otd ote otg otm oto ott taa tab tad tae tag tam tao tat tba tbb tbd tbe tbg tbm tbo tbt tda tdb tdd tde tdg tdm tdo tdt te- tea teb ted tee teg tem teo tet tga tgb tge tgg tgm tgo tgt tma tmb tmd tme tmg tmm tmo tmt to- toa tob tod toe tog tom too tot tta ttb ttd tte ttg ttm tto ttt