-al a-a a-b a-t aaa aab aal aam aar aas aat ab- aba abb abl abm abr abs abt al- ala alb all alm alr als alt ama amb aml amm amr ams amt ar- ara arb arl arm arr ars art as- asa asb asl asm asr ass ast at- ata atb atl atm atr ats att baa bab bal bam bar bas bat bba bbb bbl bbm bbr bbs bbt bla blb bll blm blr bls blt bma bmb bml bmm bmr bms bmt bra brb brl brm brr brs brt bsa bsb bsl bsm bsr bss bst bta btb btl btm btr bts btt la- laa lab lal lam lar las lat lba lbb lbl lbm lbr lbs lbt lla llb lll llm llr lls llt lma lmb lml lmm lmr lms lmt lra lrb lrm lrr lrs lrt lsa lsb lsl lsm lsr lss lst lta ltb ltl ltm ltr lts ltt m-r maa mab mal mam mar mas mat mba mbb mbl mbm mbr mbs mbt mla mlb mll mlm mlr mls mlt mma mmb mml mmm mmr mms mmt mra mrb mrl mrm mrr mrs mrt msa msb msl msm msr mss mst mta mtb mtl mtm mtr mts mtt ra- raa rab ral ram rar ras rat rba rbb rbl rbm rbr rbs rbt rla rll rlm rlr rls rlt rma rmb rml rmm rmr rms rmt rra rrb rrl rrm rrr rrs rrt rsa rsb rsl rsm rsr rss rst rta rtb rtl rtm rtr rts rtt saa sab sal sam sar sas sat sba sbb sbl sbm sbr sbs sbt sla slb sll slm slr sls slt sma smb sml smm smr sms smt sr- sra srb srl srm srr srs srt ss- ssa ssb ssl ssm ssr sss sst sta stb stl stm str sts stt taa tab tal tam tar tas tat tba tbb tbl tbm tbr tbs tbt tla tll tlm tlr tls tlt tma tmb tml tmm tmr tms tmt tra trb trl trm trr trs trt tsa tsb tsl tsm tsr tss tst tta ttb ttl ttm ttr tts ttt