-al -ol a-a a-b a-t aaa aab aad aak aal aao aat aav ab- aba abb abd abk abl abo abt abv ad- ada adb add adk adl ado adt adv aka akb akd akk akl ako akv al- ala alb ald alk all alo alt alv aoa aob aod aok aol aoo aot aov at- ata atb atd atl ato att atv av- ava avb avd avk avl avo avt baa bab bad bak bal bao bat bav bba bbb bbd bbk bbl bbo bbt bda bdb bdd bdk bdl bdo bdt bdv bka bkb bkk bkl bko bkt bkv bla blb bld blk bll blo blt blv boa bob bod bok bol boo bot bov bta btb btd btk btl bto btt btv bva bvb bvd bvk bvl bvo bvt bvv daa dab dad dak dal dao dat dav dba dbb dbd dbk dbl dbo dbt dbv dda ddb ddd ddk ddl ddo ddt dka dkb dkk dkl dko dkt dl- dla dlb dld dlk dll dlo dlt dlv doa dob dod dok dol doo dot dov dta dtb dtd dtk dtl dto dtt dtv dva dvb dvd dvk dvl dvt k-t ka- kaa kab kad kak kal kao kat kav kba kbb kbd kbk kbl kbo kda kdb kdk kdl kdo kdt kkb kkk kkl kkt kkv kl- kla klb kld klo klt klv koa kob kod kok kol koo kot kta ktb ktk ktl kto ktt ktv kva kvb kvk kvo kvv la- laa lab lad lak lal lao lat lav lba lbb lbd lbk lbl lbo lbt lbv lda ldb ldd ldk ldl ldo ldt ldv lka lkb lkl lkt lla llb lld llk lll llo llt llv loa lob lod lok lol loo lot lov lta ltb ltd ltk ltl lto ltt ltv lva lvb lvd lvl lvt lvv oaa oab oad oak oal oao oat oav ob- oba obb obd obk obl obo obt obv oda odb odd odl odo odt odv oka okb okd okk okl oko ola olb old olk oll olo olt oo- ooa oob ood ook ool ooo oot oov ot- ota otb otd otk otl oto ott otv ov- ova ovb ovd ovl ovo ovv taa tab tad tak tal tao tat tav tba tbb tbd tbk tbl tbo tbt tbv tda tdb tdd tdk tdl tdo tdt tdv tka tkb tkk tkl tko tkt tla tld tlk tll tlo tlt tlv to- toa tob tod tok tol too tot tov tta ttb ttd ttk ttl tto ttt ttv tva tvb tvd tvk tvl tvo tvt v-a vaa vab vad vak val vao vat vav vba vbd vbk vbl vbo vbv vdb vdd vdk vdl vdo vdt vdv vka vkb vkt vl- vla vlb vld vlk vll vlo vlt vlv voa vob vod vok vol voo vot vov vta vtb vtk vtl vto vtt vtv vva vvb vvo vvt vvv