-al a-a a-b a-t aaa aab aad aal aas aat aav ab- aba abb abd abl abs abt abv ad- ada adb add adl ads adt adv al- ala alb ald all als alt alv as- asa asb asd asl ass ast asv at- ata atb atd atl ats att atv av- ava avb avd avl avs avt baa bab bad bal bas bat bav bba bbb bbd bbl bbs bbt bda bdb bdd bdl bds bdt bdv bla blb bld bll bls blt blv bsa bsb bsd bsl bss bst bsv bta btb btd btl bts btt btv bva bvb bvd bvl bvs bvt bvv daa dab dad dal das dat dav dba dbb dbd dbl dbs dbt dbv dda ddb ddd ddl dds ddt dl- dla dlb dld dll dls dlt dlv dsa dsb dsd dsl dss dst dsv dta dtb dtd dtl dts dtt dtv dva dvb dvd dvl dvs dvt la- laa lab lad lal las lat lav lba lbb lbd lbl lbs lbt lbv lda ldb ldd ldl lds ldt ldv lla llb lld lll lls llt llv lsa lsb lsd lsl lss lst lsv lta ltb ltd ltl lts ltt ltv lva lvb lvd lvl lvs lvt lvv saa sab sad sal sas sat sav sba sbb sbd sbl sbs sbt sbv sda sdb sdd sdl sds sdt sdv sla slb sld sll sls slt slv ss- ssa ssb ssd ssl sss sst ssv sta stb std stl sts stt stv sva svb svd svl svs svt svv taa tab tad tal tas tat tav tba tbb tbd tbl tbs tbt tbv tda tdb tdd tdl tds tdt tdv tla tld tll tls tlt tlv tsa tsb tsd tsl tss tst tsv tta ttb ttd ttl tts ttt ttv tva tvb tvd tvl tvs tvt v-a vaa vab vad val vas vat vav vba vbd vbl vbs vbv vdb vdd vdl vds vdt vdv vl- vla vlb vld vll vls vlt vlv vsa vsb vsd vsl vss vst vsv vta vtb vtl vts vtt vtv vva vvb vvs vvt vvv