-al a-a a-b aaa aab aal aam aas ab- aba abb abl abm abs al- ala alb all alm als ama amb aml amm ams as- asa asb asl asm ass baa bab bal bam bas bba bbb bbl bbm bbs bla blb bll blm bls bma bmb bml bmm bms bsa bsb bsl bsm bss la- laa lab lal lam las lba lbb lbl lbm lbs lla llb lll llm lls lma lmb lml lmm lms lsa lsb lsl lsm lss maa mab mal mam mas mba mbb mbl mbm mbs mla mlb mll mlm mls mma mmb mml mmm mms msa msb msl msm mss saa sab sal sam sas sba sbb sbl sbm sbs sla slb sll slm sls sma smb sml smm sms ss- ssa ssb ssl ssm sss