-al a-a a-b aaa aab aad aah aal aan ab- aba abb abd abh abl abn ad- ada adb add adh adl adn aha ahb ahd ahh ahl ahn al- ala alb ald alh all aln an- ana anb and anh anl ann baa bab bad bah bal ban bba bbb bbd bbh bbl bbn bda bdb bdd bdh bdl bha bhb bhd bhh bhl bla blb bld blh bll bln bna bnb bnd bnl bnn daa dab dad dah dal dan dba dbb dbd dbh dbl dbn dda ddb ddd ddh ddl ddn dh- dha dhb dhd dhh dhl dl- dla dlb dld dlh dll dna dnb dnd dnh dnl dnn haa hab had hah hal han hba hbb hbd hbh hbl hbn hda hdb hdd hdh hdl hdn hha hhb hhd hhh hhl hhn hla hlb hld hlh hll hln hna hnb hnd hnh hnl hnn la- laa lab lad lah lal lan lba lbb lbd lbh lbl lda ldb ldd ldh ldl ldn lha lhb lhd lhh lla llb lld lll lln lna lnb lnd lnh lnl lnn naa nab nad nah nal nan nba nbb nbd nbl nbn nda ndb ndd ndh ndl ndn nha nhb nhd nhh nhl nhn nla nlb nld nlh nll nln nna nnb nnh nnl nnn