c-- ccc ccd ccf ccl ccn ccr cct cdc cdd cdf cdl cdn cdr cdt cfc cfd cff cfl cfn cfr cft cl- clc cld clf cll cln clr clt cn- cnc cnd cnf cnl cnn cnr cnt crc crd crf crl crn crr crt ctc ctd ctf ctl ctn ctr ctt dcc dcd dcf dcl dcn dcr dct ddc ddd ddf ddl ddn ddr ddt dfc dfd dff dfl dfn dfr dft dl- dlc dld dlf dll dlr dlt dnc dnd dnf dnl dnn dnr dnt drc drd drl drn drr drt dtc dtd dtf dtl dtn dtr dtt fcc fcd fcf fcl fcn fcr fct fdc fdd fdf fdl fdn fdr fdt ffc ffd fff ffl ffn ffr fft flc fld flf fll fln flr flt fnc fnd fnf fnl fnn fnr fnt frc frd frf frl frn frr frt ftc ftd ftf ftl ftn ftr ftt lcc lcd lcf lcl lcn lcr lct ldc ldd ldf ldl ldn ldr ldt lfc lfd lff lfl lfn lfr lft llc lld llf lll lln llr llt lnc lnd lnl lnn lnr lnt lrc lrd lrf lrn lrr lrt ltc ltd ltf ltl ltr ltt ncc ncd ncf ncl ncn ncr nct ndc ndd ndf ndl ndn ndr ndt nfc nfd nff nfl nfn nfr nft nlc nld nlf nll nln nlr nlt nnc nnf nnl nnn nnt nrc nrd nrf nrl nrn nrr nrt ntc ntd ntf ntn ntr ntt rcc rcd rcf rcl rcn rcr rct rdc rdd rdf rdl rdn rdr rdt rfc rfd rff rfl rfn rfr rft rlc rld rlf rll rln rlr rlt rnc rnd rnn rnr rnt rrc rrd rrf rrl rrn rrr rrt rtc rtd rtf rtl rtn rtr rtt tcc tcd tcf tcl tcn tcr tct tdc tdd tdf tdl tdn tdr tdt tfc tfd tff tfl tfn tfr tft tlc tld tlf tll tln tlr tlt tnc tnd tnf tnl tnn tnr tnt trc trd trf trl trn trr trt ttc ttd ttf ttl ttn ttr ttt