-al a-a a-b aaa aab aad aah aal aar aas ab- aba abb abd abh abl abr abs ad- ada adb add adh adl adr ads aha ahb ahd ahh ahl ahr ahs al- ala alb ald alh all alr als ar- ara arb ard arh arl arr ars as- asa asb asd ash asl asr ass baa bab bad bah bal bar bas bba bbb bbd bbh bbl bbr bbs bda bdb bdd bdh bdl bdr bds bha bhb bhd bhh bhl bhr bhs bla blb bld blh bll blr bls bra brb brd brh brl brr brs bsa bsb bsd bsh bsl bsr bss daa dab dad dah dal dar das dba dbb dbd dbh dbl dbr dbs dda ddb ddd ddh ddl ddr dds dh- dha dhb dhd dhh dhl dhr dhs dl- dla dlb dld dlh dll dlr dls dra drb drd drl drr drs dsa dsb dsd dsh dsl dsr dss haa hab had hah hal har has hba hbb hbd hbh hbl hbr hbs hda hdb hdd hdh hdl hdr hds hha hhb hhd hhh hhl hhr hhs hla hlb hld hlh hll hlr hls hr- hra hrb hrd hrh hrl hrr hrs hsa hsb hsd hsh hsl hsr hss la- laa lab lad lah lal lar las lba lbb lbd lbh lbl lbr lbs lda ldb ldd ldh ldl ldr lds lha lhb lhd lhh lhr lhs lla llb lld lll llr lls lra lrb lrd lrh lrr lrs lsa lsb lsd lsh lsl lsr lss ra- raa rab rad rah ral rar ras rba rbb rbd rbh rbl rbr rbs rda rdb rdd rdh rdl rdr rds rh- rha rhb rhd rhh rhl rhr rhs rla rld rlh rll rlr rls rra rrb rrd rrh rrl rrr rrs rsa rsb rsd rsh rsl rsr rss saa sab sad sah sal sar sas sba sbb sbd sbh sbl sbr sbs sda sdb sdd sdh sdl sdr sds sh- sha shb shd shh shl shr shs sla slb sld slh sll slr sls sr- sra srb srd srh srl srr srs ss- ssa ssb ssd ssh ssl ssr sss