-al a-a a-b a-t aaa aab aad aag aal aas aat ab- aba abb abd abg abl abs abt ad- ada adb add adg adl ads adt ag- aga agb agd agg agl ags agt al- ala alb ald alg all als alt as- asa asb asd asg asl ass ast at- ata atb atd atg atl ats att baa bab bad bag bal bas bat bba bbb bbd bbg bbl bbs bbt bda bdb bdd bdg bdl bds bdt bga bgb bgd bgg bgl bgs bgt bla blb bld blg bll bls blt bsa bsb bsd bsg bsl bss bst bta btb btd btg btl bts btt daa dab dad dag dal das dat dba dbb dbd dbg dbl dbs dbt dda ddb ddd ddg ddl dds ddt dga dgd dgg dgl dgs dgt dl- dla dlb dld dlg dll dls dlt dsa dsb dsd dsg dsl dss dst dta dtb dtd dtg dtl dts dtt g-d gaa gab gad gag gal gas gat gba gbd gbg gbl gbs gbt gda gdb gdd gdl gds gdt gga ggb ggd ggg ggs ggt gla glb gld glg gll gls glt gsa gsb gsd gsg gsl gss gst gta gtb gtd gtg gtl gts gtt la- laa lab lad lag lal las lat lba lbb lbd lbg lbl lbs lbt lda ldb ldd ldg ldl lds ldt lga lgb lgd lgg lgl lgs lgt lla llb lld llg lll lls llt lsa lsb lsd lsg lsl lss lst lta ltb ltd ltg ltl lts ltt saa sab sad sag sal sas sat sba sbb sbd sbg sbl sbs sbt sda sdb sdd sdg sdl sds sdt sga sgb sgd sgg sgl sgs sgt sla slb sld slg sll sls slt ss- ssa ssb ssd ssg ssl sss sst sta stb std stg stl sts stt taa tab tad tag tal tas tat tba tbb tbd tbg tbl tbs tbt tda tdb tdd tdg tdl tds tdt tga tgb tgg tgl tgs tgt tla tld tlg tll tls tlt tsa tsb tsd tsg tsl tss tst tta ttb ttd ttg ttl tts ttt