lll lln llr lls llt lnl lnn lnr lns lnt lrn lrr lrs lrt lsl lsn lsr lss lst ltl ltr lts ltt nll nln nlr nls nlt nnl nnn nns nnt nrl nrn nrr nrs nrt nsl nsn nsr nss nst ntn ntr nts ntt rll rln rlr rls rlt rnn rnr rns rnt rrl rrn rrr rrs rrt rsl rsn rsr rss rst rtl rtn rtr rts rtt sll sln slr sls slt snl snn snr sns snt sr- srl srn srr srs srt ss- ssl ssn ssr sss sst stl stn str sts stt tll tln tlr tls tlt tnl tnn tnr tns tnt trl trn trr trs trt tsl tsn tsr tss tst ttl ttn ttr tts ttt