-al a-a a-b aaa aab aad aah aal aar ab- aba abb abd abh abl abr ad- ada adb add adh adl adr aha ahb ahd ahh ahl ahr al- ala alb ald alh all alr ar- ara arb ard arh arl arr baa bab bad bah bal bar bba bbb bbd bbh bbl bbr bda bdb bdd bdh bdl bdr bha bhb bhd bhh bhl bhr bla blb bld blh bll blr bra brb brd brh brl brr daa dab dad dah dal dar dba dbb dbd dbh dbl dbr dda ddb ddd ddh ddl ddr dh- dha dhb dhd dhh dhl dhr dl- dla dlb dld dlh dll dlr dra drb drd drl drr haa hab had hah hal har hba hbb hbd hbh hbl hbr hda hdb hdd hdh hdl hdr hha hhb hhd hhh hhl hhr hla hlb hld hlh hll hlr hr- hra hrb hrd hrh hrl hrr la- laa lab lad lah lal lar lba lbb lbd lbh lbl lbr lda ldb ldd ldh ldl ldr lha lhb lhd lhh lhr lla llb lld lll llr lra lrb lrd lrh lrr ra- raa rab rad rah ral rar rba rbb rbd rbh rbl rbr rda rdb rdd rdh rdl rdr rh- rha rhb rhd rhh rhl rhr rla rld rlh rll rlr rra rrb rrd rrh rrl rrr