-al a-a a-b aaa aab aal aam aan aas ab- aba abb abl abm abn abs al- ala alb all alm aln als ama amb aml amm amn ams an- ana anb anl anm ann ans as- asa asb asl asm asn ass baa bab bal bam ban bas bba bbb bbl bbm bbn bbs bla blb bll blm bln bls bma bmb bml bmm bmn bms bna bnb bnl bnn bns bsa bsb bsl bsm bsn bss la- laa lab lal lam lan las lba lbb lbl lbm lbs lla llb lll llm lln lls lma lmb lml lmm lmn lms lna lnb lnl lnm lnn lns lsa lsb lsl lsm lsn lss maa mab mal mam man mas mba mbb mbl mbm mbs mla mlb mll mlm mln mls mma mmb mml mmm mmn mms mna mnb mnl mnm mnn mns msa msb msl msm msn mss naa nab nal nam nan nas nba nbb nbl nbm nbn nbs nla nlb nll nlm nln nls nma nmb nml nmm nmn nms nna nnb nnl nnm nnn nns nsa nsb nsl nsm nsn nss saa sab sal sam san sas sba sbb sbl sbm sbn sbs sla slb sll slm sln sls sma smb sml smm smn sms sna snb snl snm snn sns ss- ssa ssb ssl ssm ssn sss