-al a-a a-b aaa aab aal aam aan aar aas ab- aba abb abl abm abn abr abs al- ala alb all alm aln alr als ama amb aml amm amn amr ams an- ana anb anl anm ann anr ans ar- ara arb arl arm arn arr ars as- asa asb asl asm asn asr ass baa bab bal bam ban bar bas bba bbb bbl bbm bbn bbr bbs bla blb bll blm bln blr bls bma bmb bml bmm bmn bmr bms bna bnb bnl bnn bnr bns bra brb brl brm brn brr brs bsa bsb bsl bsm bsn bsr bss la- laa lab lal lam lan lar las lba lbb lbl lbm lbr lbs lla llb lll llm lln llr lls lma lmb lml lmm lmn lmr lms lna lnb lnl lnm lnn lnr lns lra lrb lrm lrn lrr lrs lsa lsb lsl lsm lsn lsr lss m-r maa mab mal mam man mar mas mba mbb mbl mbm mbr mbs mla mlb mll mlm mln mlr mls mma mmb mml mmm mmn mmr mms mna mnb mnl mnm mnn mnr mns mra mrb mrl mrm mrn mrr mrs msa msb msl msm msn msr mss naa nab nal nam nan nar nas nba nbb nbl nbm nbn nbr nbs nla nlb nll nlm nln nlr nls nma nmb nml nmm nmn nmr nms nna nnb nnl nnm nnn nns nra nrb nrl nrm nrn nrr nrs nsa nsb nsl nsm nsn nsr nss ra- raa rab ral ram ran rar ras rba rbb rbl rbm rbn rbr rbs rla rll rlm rln rlr rls rma rmb rml rmm rmn rmr rms rna rnb rnm rnn rnr rns rra rrb rrl rrm rrn rrr rrs rsa rsb rsl rsm rsn rsr rss saa sab sal sam san sar sas sba sbb sbl sbm sbn sbr sbs sla slb sll slm sln slr sls sma smb sml smm smn smr sms sna snb snl snm snn snr sns sr- sra srb srl srm srn srr srs ss- ssa ssb ssl ssm ssn ssr sss