c-- ccc ccl ccs cct ccw cl- clc cll cls clt clw csc csl css cst csw ctc ctl cts ctt ctw cw- cwc cwl cws cwt lcc lcl lcs lct lcw llc lll lls llt llw lsc lsl lss lst lsw ltc ltl lts ltt lwc lwl lws lww scc scl scs sct scw slc sll sls slt ss- ssc ssl sss sst ssw stc stl sts stt stw swc swl sws swt tcc tcl tcs tct tcw tlc tll tls tlt tlw tsc tsl tss tst tsw ttc ttl tts ttt ttw twc twl tws twt tww wcc wcl wcs wct wcw wl- wlc wll wls wlt wlw wsc wsl wss wst wsw wtc wts wtt wtw wwc wwl wwt www