-al a-a a-b aaa aab aah aal aar aas ab- aba abb abh abl abr abs aha ahb ahh ahl ahr ahs al- ala alb alh all alr als ar- ara arb arh arl arr ars as- asa asb ash asl asr ass baa bab bah bal bar bas bba bbb bbh bbl bbr bbs bha bhb bhh bhl bhr bhs bla blb blh bll blr bls bra brb brh brl brr brs bsa bsb bsh bsl bsr bss haa hab hah hal har has hba hbb hbh hbl hbr hbs hha hhb hhh hhl hhr hhs hla hlb hlh hll hlr hls hr- hra hrb hrh hrl hrr hrs hsa hsb hsh hsl hsr hss la- laa lab lah lal lar las lba lbb lbh lbl lbr lbs lha lhb lhh lhr lhs lla llb lll llr lls lra lrb lrh lrr lrs lsa lsb lsh lsl lsr lss ra- raa rab rah ral rar ras rba rbb rbh rbl rbr rbs rh- rha rhb rhh rhl rhr rhs rla rlh rll rlr rls rra rrb rrh rrl rrr rrs rsa rsb rsh rsl rsr rss saa sab sah sal sar sas sba sbb sbh sbl sbr sbs sh- sha shb shh shl shr shs sla slb slh sll slr sls sr- sra srb srh srl srr srs ss- ssa ssb ssh ssl ssr sss