-al a-a a-b aaa aab aal aam aar aas ab- aba abb abl abm abr abs al- ala alb all alm alr als ama amb aml amm amr ams ar- ara arb arl arm arr ars as- asa asb asl asm asr ass baa bab bal bam bar bas bba bbb bbl bbm bbr bbs bla blb bll blm blr bls bma bmb bml bmm bmr bms bra brb brl brm brr brs bsa bsb bsl bsm bsr bss la- laa lab lal lam lar las lba lbb lbl lbm lbr lbs lla llb lll llm llr lls lma lmb lml lmm lmr lms lra lrb lrm lrr lrs lsa lsb lsl lsm lsr lss m-r maa mab mal mam mar mas mba mbb mbl mbm mbr mbs mla mlb mll mlm mlr mls mma mmb mml mmm mmr mms mra mrb mrl mrm mrr mrs msa msb msl msm msr mss ra- raa rab ral ram rar ras rba rbb rbl rbm rbr rbs rla rll rlm rlr rls rma rmb rml rmm rmr rms rra rrb rrl rrm rrr rrs rsa rsb rsl rsm rsr rss saa sab sal sam sar sas sba sbb sbl sbm sbr sbs sla slb sll slm slr sls sma smb sml smm smr sms sr- sra srb srl srm srr srs ss- ssa ssb ssl ssm ssr sss