dddd ddss ddts dlrs dlst dntt drrs dsdr dsls dsrr dssn dsst dstn dsts dtrl dtss ldls ldrs llds llll lndn lnts lrdd lrds lrrr lrst lrts ls-r lsds lssr lsts ltds ltns ltnt ltrs ltsr lttr ndls ndnt ndsl ndss nlls nnls nnnn nnsl nnss nntn nrds nrrd nrrl nrtl nrts nsdl nsds nsdt nslr nsls nsnr nsrd nsrl nssr nsss nstd nstl nsts ntds ntnd ntrl ntss nttr rlds rldt rlls rnds rnld rnnt rntd rrrr rsdd rsdl rsds rsnn rsnr rssl rsts rtdt rtls rtlt rtnd rtns rtss rtts sdds sdls sdlt sdrs sdsl sdss slds slln slrn slrs slst slts snns snrs snsd sntr srnn srsd srtr ssdd sslt ssns ssrl ssrs ssss sstd sstl ssts stds stld stln stlt stnd stnn stnr stns strd strn strs stss sttd sttr tdls tdss tldr tlrs tndd tnts trsd trst trtr tssr tsst tsts ttss tttt