Much work has been done on the reconstruction of Proto-Mon–Khmer in Harry L. Shorto's Mon–Khmer Comparative Dictionary.
mˈʌtʃ wˈɜːk hˈæzbiːn dˈʌn ɔnðə ɹˌiːkənstɹˈʌkʃən ʌv pɹˈoʊɾoʊmˈɑːn kmˈɪɹ ɪn hˈæɹi ˈɛl. ʃˈɔːɹɾoʊz mˈɑːn kmˈɪɹ kəmpˈæɹətˌɪv dˈɪkʃənˌɛɹi.