-ol c-- ccc ccl cco ccs ccw cl- clc cll clo cls clw co- coc col coo cos cow csc csl cso css csw cw- cwc cwl cwo cws lcc lcl lco lcs lcw llc lll llo lls llw loc lol loo los low lsc lsl lso lss lsw lwc lwl lwo lws lww oc- occ ocl oco ocs ocw olc oll olo ols olw oo- ooc ool ooo oos oow os- osc osl oso oss osw owc owl owo ows oww scc scl sco scs scw slc sll slo sls soc sol soo sos sow ss- ssc ssl sso sss ssw swc swl swo sws wcc wcl wco wcs wcw wl- wlc wll wlo wls wlw woc wol woo wos wow wsc wsl wso wss wsw wwc wwl wwo www