1.5. ABBREVIATIONS BUT Butuanun CEB Cebuano DVD Davawenyo-Digos DVM Davawenyo-Monay EM East Mindanao ISM Mandayan - Islam (Piso) KLK Kalagan-Kaagan KLT Kalagan-Tagakaolo KMY Kamayu MDB Mandayan-Boso MDC Mandayan-Caraga MDK Mandayan-Kabasagan MDM Mandayan-Maragusan MSK Mansaka MWA Mamanwa NEM North-East Mindanao PBS Proto-Bisayan PCP Proto-Central Philippines PEM Proto-East Mindanao PNEM Proto-North East Mindanao PPH Proto-Philippines PSEM Proto-South-East Mindanao SEM South-East Mindanao SUR Surigaonun TSG Tausug