Nehan-North BougainvilleSubgroup of 10 languagesAncestorsAustronesian 1256Malayo-Polynesian 1234Central-Eastern Malayo-Polynesian 722Eastern Malayo-Polynesian 555Oceanic 514Western Oceanic 240Meso Melanesian 70New Ireland 64South New Ireland-Northwest Solomonic 51Nehan-North BougainvilleDescendants Buka 3 Halia 2 Nehan 1 Papapana 1 Saposa-Tinputz 4 Solos 1