-al a-a a-b aaa aab aad aah aal aan aar ab- aba abb abd abh abl abn abr ad- ada adb add adh adl adn adr aha ahb ahd ahh ahl ahn ahr al- ala alb ald alh all aln alr an- ana anb and anh anl ann anr ar- ara arb ard arh arl arn arr baa bab bad bah bal ban bar bba bbb bbd bbh bbl bbn bbr bda bdb bdd bdh bdl bdr bha bhb bhd bhh bhl bhr bla blb bld blh bll bln blr bna bnb bnd bnl bnn bnr bra brb brd brh brl brn brr daa dab dad dah dal dan dar dba dbb dbd dbh dbl dbn dbr dda ddb ddd ddh ddl ddn ddr dh- dha dhb dhd dhh dhl dhr dl- dla dlb dld dlh dll dlr dna dnb dnd dnh dnl dnn dnr dra drb drd drl drn drr haa hab had hah hal han har hba hbb hbd hbh hbl hbn hbr hda hdb hdd hdh hdl hdn hdr hha hhb hhd hhh hhl hhn hhr hla hlb hld hlh hll hln hlr hna hnb hnd hnh hnl hnn hr- hra hrb hrd hrh hrl hrn hrr la- laa lab lad lah lal lan lar lba lbb lbd lbh lbl lbr lda ldb ldd ldh ldl ldn ldr lha lhb lhd lhh lhr lla llb lld lll lln llr lna lnb lnd lnh lnl lnn lnr lra lrb lrd lrh lrn lrr naa nab nad nah nal nan nar nba nbb nbd nbl nbn nbr nda ndb ndd ndh ndl ndn ndr nha nhb nhd nhh nhl nhn nhr nla nlb nld nlh nll nln nlr nna nnb nnh nnl nnn nra nrb nrd nrl nrn nrr ra- raa rab rad rah ral ran rar rba rbb rbd rbh rbl rbn rbr rda rdb rdd rdh rdl rdn rdr rh- rha rhb rhd rhh rhl rhn rhr rla rld rlh rll rln rlr rna rnb rnd rnh rnn rnr rra rrb rrd rrh rrl rrn rrr