-al a-a a-b a-t aaa aab aad aae aaf aag aal aas aat ab- aba abb abd abe abf abg abl abs abt ad- ada adb add ade adf adg adl ads adt aea aeb aed aee aef aeg ael aes aet af- afa afb afd afe aff afg afl afs aft ag- aga agb agd age agf agg agl ags agt al- ala alb ald ale alf alg all als alt as- asa asb asd ase asf asg asl ass ast at- ata atb atd ate atf atg atl ats att baa bab bad bae baf bag bal bas bat bba bbb bbd bbe bbf bbg bbl bbs bbt bda bdb bdd bde bdf bdg bdl bds bdt be- bea beb bed bee bef beg bel bes bet bfa bfb bfd bfe bff bfg bfl bfs bft bga bgb bgd bge bgf bgg bgl bgs bgt bla blb bld ble blf blg bll bls blt bsa bsb bsd bse bsf bsg bsl bss bst bta btb btd bte btf btg btl bts btt daa dab dad dae daf dag dal das dat dba dbb dbd dbe dbf dbg dbl dbs dbt dda ddb ddd dde ddf ddg ddl dds ddt de- dea deb ded dee def deg del des det dfa dfb dfd dfe dff dfg dfl dfs dft dga dgd dge dgf dgg dgl dgs dgt dl- dla dlb dld dle dlf dlg dll dls dlt dsa dsb dsd dse dsf dsg dsl dss dst dta dtb dtd dte dtf dtg dtl dts dtt eaa eab ead eae eaf eag eal eas eat eba ebb ebd ebe ebf ebg ebl ebs ebt ed- eda edb edd ede edf edg edl eds edt eea eeb eed eee eef eeg eel ees eet ef- efa efb efd efe eff efg efl efs eft ega egb egd ege egf egg egl egs egt ela elb eld ele elf elg ell els elt es- esa esb esd ese esf esg esl ess est eta etb etd ete etf etg etl ets ett faa fab fad fae faf fag fal fas fat fba fbb fbd fbe fbf fbg fbl fbs fbt fda fdb fdd fde fdf fdg fdl fds fdt fea feb fed fee fef feg fel fes fet ffa ffd ffe fff ffg ffl ffs fft fga fgb fgd fge fgf fgg fgl fgs fgt fla flb fld fle flf flg fll fls flt fsa fsb fsd fse fsf fsg fsl fss fst fta ftb ftd fte ftf ftg ftl fts ftt g-d gaa gab gad gae gaf gag gal gas gat gba gbd gbe gbf gbg gbl gbs gbt gda gdb gdd gde gdf gdl gds gdt ge- gea geb ged gee gef geg gel ges get gfa gfb gfd gfe gff gfl gfs gft gga ggb ggd ggg ggs ggt gla glb gld gle glf glg gll gls glt gsa gsb gsd gse gsf gsg gsl gss gst gta gtb gtd gte gtf gtg gtl gts gtt la- laa lab lad lae laf lag lal las lat lba lbb lbd lbe lbf lbg lbl lbs lbt lda ldb ldd lde ldf ldg ldl lds ldt lea leb led lee lef leg lel les let lfa lfb lfd lfe lff lfg lfl lfs lft lga lgb lgd lge lgf lgg lgl lgs lgt lla llb lld lle llf llg lll lls llt lsa lsb lsd lse lsf lsg lsl lss lst lta ltb ltd lte ltf ltg ltl lts ltt saa sab sad sae saf sag sal sas sat sba sbb sbd sbe sbf sbg sbl sbs sbt sda sdb sdd sde sdf sdg sdl sds sdt se- sea seb sed see sef seg sel ses set sfa sfb sfd sfe sff sfg sfl sfs sft sga sgb sgd sge sgf sgg sgl sgs sgt sla slb sld sle slf slg sll sls slt ss- ssa ssb ssd sse ssf ssg ssl sss sst sta stb std ste stf stg stl sts stt taa tab tad tae taf tag tal tas tat tba tbb tbd tbe tbf tbg tbl tbs tbt tda tdb tdd tde tdf tdg tdl tds tdt te- tea teb ted tee tef teg tel tes tet tfa tfb tfd tfe tff tfg tfl tfs tft tga tgb tge tgf tgg tgl tgs tgt tla tld tle tlf tlg tll tls tlt tsa tsb tsd tse tsf tsg tsl tss tst tta ttb ttd tte ttf ttg ttl tts ttt