-al a-a a-b aaa aab aad aal aan aav ab- aba abb abd abl abn abv ad- ada adb add adl adn adv al- ala alb ald all aln alv an- ana anb and anl ann anv av- ava avb avd avl avn baa bab bad bal ban bav bba bbb bbd bbl bbn bda bdb bdd bdl bdv bla blb bld bll bln blv bna bnb bnd bnl bnn bnv bva bvb bvd bvl bvn bvv daa dab dad dal dan dav dba dbb dbd dbl dbn dbv dda ddb ddd ddl ddn dl- dla dlb dld dll dlv dna dnb dnd dnl dnn dva dvb dvd dvl dvn la- laa lab lad lal lan lav lba lbb lbd lbl lbv lda ldb ldd ldl ldn ldv lla llb lld lll lln llv lna lnb lnd lnl lnn lva lvb lvd lvl lvn lvv naa nab nad nal nan nav nba nbb nbd nbl nbn nbv nda ndb ndd ndl ndn ndv nla nlb nld nll nln nlv nna nnb nnl nnn nnv nva nvb nvd nvl nvn nvv v-a vaa vab vad val van vav vba vbd vbl vbv vdb vdd vdl vdv vl- vla vlb vld vll vlv vn- vna vnd vnl vnv vva vvb vvv