-al a-a a-b a-t aaa aab aal aam aan aas aat ab- aba abb abl abm abn abs abt al- ala alb all alm aln als alt ama amb aml amm amn ams amt an- ana anb anl anm ann ans ant as- asa asb asl asm asn ass ast at- ata atb atl atm atn ats att baa bab bal bam ban bas bat bba bbb bbl bbm bbn bbs bbt bla blb bll blm bln bls blt bma bmb bml bmm bmn bms bmt bna bnb bnl bnn bns bnt bsa bsb bsl bsm bsn bss bst bta btb btl btm btn bts btt la- laa lab lal lam lan las lat lba lbb lbl lbm lbs lbt lla llb lll llm lln lls llt lma lmb lml lmm lmn lms lmt lna lnb lnl lnm lnn lns lnt lsa lsb lsl lsm lsn lss lst lta ltb ltl ltm lts ltt maa mab mal mam man mas mat mba mbb mbl mbm mbs mbt mla mlb mll mlm mln mls mlt mma mmb mml mmm mmn mms mmt mna mnb mnl mnm mnn mns mnt msa msb msl msm msn mss mst mta mtb mtl mtm mtn mts mtt naa nab nal nam nan nas nat nba nbb nbl nbm nbn nbs nbt nla nlb nll nlm nln nls nlt nma nmb nml nmm nmn nms nmt nna nnb nnl nnm nnn nns nnt nsa nsb nsl nsm nsn nss nst nta ntb ntm ntn nts ntt saa sab sal sam san sas sat sba sbb sbl sbm sbn sbs sbt sla slb sll slm sln sls slt sma smb sml smm smn sms smt sna snb snl snm snn sns snt ss- ssa ssb ssl ssm ssn sss sst sta stb stl stm stn sts stt taa tab tal tam tan tas tat tba tbb tbl tbm tbn tbs tbt tla tll tlm tln tls tlt tma tmb tml tmm tmn tms tmt tna tnb tnl tnm tnn tns tnt tsa tsb tsl tsm tsn tss tst tta ttb ttl ttm ttn tts ttt