lll llm llr lls llt lml lmm lmr lms lmt lrm lrr lrs lrt lsl lsm lsr lss lst ltl ltm ltr lts ltt m-r mll mlm mlr mls mlt mml mmm mmr mms mmt mrl mrm mrr mrs mrt msl msm msr mss mst mtl mtm mtr mts mtt rll rlm rlr rls rlt rml rmm rmr rms rmt rrl rrm rrr rrs rrt rsl rsm rsr rss rst rtl rtm rtr rts rtt sll slm slr sls slt sml smm smr sms smt sr- srl srm srr srs srt ss- ssl ssm ssr sss sst stl stm str sts stt tll tlm tlr tls tlt tml tmm tmr tms tmt trl trm trr trs trt tsl tsm tsr tss tst ttl ttm ttr tts ttt