-al a-a a-b a-t aaa aab aal aam aan aar aas aat ab- aba abb abl abm abn abr abs abt al- ala alb all alm aln alr als alt ama amb aml amm amn amr ams amt an- ana anb anl anm ann anr ans ant ar- ara arb arl arm arn arr ars art as- asa asb asl asm asn asr ass ast at- ata atb atl atm atn atr ats att baa bab bal bam ban bar bas bat bba bbb bbl bbm bbn bbr bbs bbt bla blb bll blm bln blr bls blt bma bmb bml bmm bmn bmr bms bmt bna bnb bnl bnn bnr bns bnt bra brb brl brm brn brr brs brt bsa bsb bsl bsm bsn bsr bss bst bta btb btl btm btn btr bts btt la- laa lab lal lam lan lar las lat lba lbb lbl lbm lbr lbs lbt lla llb lll llm lln llr lls llt lma lmb lml lmm lmn lmr lms lmt lna lnb lnl lnm lnn lnr lns lnt lra lrb lrm lrn lrr lrs lrt lsa lsb lsl lsm lsn lsr lss lst lta ltb ltl ltm ltr lts ltt m-r maa mab mal mam man mar mas mat mba mbb mbl mbm mbr mbs mbt mla mlb mll mlm mln mlr mls mlt mma mmb mml mmm mmn mmr mms mmt mna mnb mnl mnm mnn mnr mns mnt mra mrb mrl mrm mrn mrr mrs mrt msa msb msl msm msn msr mss mst mta mtb mtl mtm mtn mtr mts mtt naa nab nal nam nan nar nas nat nba nbb nbl nbm nbn nbr nbs nbt nla nlb nll nlm nln nlr nls nlt nma nmb nml nmm nmn nmr nms nmt nna nnb nnl nnm nnn nns nnt nra nrb nrl nrm nrn nrr nrs nrt nsa nsb nsl nsm nsn nsr nss nst nta ntb ntm ntn ntr nts ntt ra- raa rab ral ram ran rar ras rat rba rbb rbl rbm rbn rbr rbs rbt rla rll rlm rln rlr rls rlt rma rmb rml rmm rmn rmr rms rmt rna rnb rnm rnn rnr rns rnt rra rrb rrl rrm rrn rrr rrs rrt rsa rsb rsl rsm rsn rsr rss rst rta rtb rtl rtm rtn rtr rts rtt saa sab sal sam san sar sas sat sba sbb sbl sbm sbn sbr sbs sbt sla slb sll slm sln slr sls slt sma smb sml smm smn smr sms smt sna snb snl snm snn snr sns snt sr- sra srb srl srm srn srr srs srt ss- ssa ssb ssl ssm ssn ssr sss sst sta stb stl stm stn str sts stt taa tab tal tam tan tar tas tat tba tbb tbl tbm tbn tbr tbs tbt tla tll tlm tln tlr tls tlt tma tmb tml tmm tmn tmr tms tmt tna tnb tnl tnm tnn tnr tns tnt tra trb trl trm trn trr trs trt tsa tsb tsl tsm tsn tsr tss tst tta ttb ttl ttm ttn ttr tts ttt