lysine lysine residue lysine residues lysine salt lysing lysippus lysis lysis buffer lysis of cells lysis reagent lysis solution lysistrata lysogenic lysol lysosomal lysosomal enzyme lysosomal enzymes lysosomal storage lysosomal storage disease lysosome lysosomes lysozyme lyss lyssa lystra lysyl oxidase lyta lyte lytes lytham lytic lytic activity lytic cycle lytt lyttelton lyttle lytton lyuba lyubov lyudmila lyudmilla lyxor lyxumia lyxumia pen lzzie m above sea level m above the ground m from the beach m hydrochloric acid solution m is an integer m is the mass m is the number m-audio m-bus m-chloroperbenzoic m-chloroperbenzoic acid m-class m-class planet m-commerce m-cresol m-day m-files m-hm m-maybe i m-net m-pesa m-series m-sport m-theory m-type m'a m'am m'appelle m'ba m'baku m'dear m'hamed m'kay m'lady m'lord m'sila ma må mã ma always ma and pa ma barker ma bell ma belle ma bufang ma can ma chao ma chère ma cherie ma chérie ma current ma de ma did ma does