c-- ccc ccl ccm ccv ccx cl- clc cll clm clv clx cmc cml cmm cmv cmx cvc cvl cvm cvv cvx cxc cxl cxv cxx lcc lcl lcm lcv lcx llc lll llm llv lmc lml lmm lmv lvc lvl lvm lvv lvx lxc lxv lxx m-v mc- mcc mcl mcm mcv mcx mlc mll mlm mlv mlx mmc mml mmm mmv mmx mvc mvl mvm mvv mxc mxl vcc vcl vcm vcx vl- vlc vll vlm vlv vm- vmc vmm vmx vvc vvm vvv vxl vxv xcl xcv xcx xlm xlv xmc xml xmm xmx xvl xxl xxv xxx