In the African language Manika, the affix, the meaning of which is similar to that of the suffix -ing in English, has two phonetic forms, as shown in the data given below. You are required to(1)give the two phonetic forms of the affix; (2)give the underlying form. of the affix; write a formal phonological rule to derive the underlying form. of the affix to its phonetic forms, using the words[dumuni]'eating' and[sungoli]'sleeping' to illustrate the process of derivation.（南开大学2011研) bugo hit bugoli hitting dila repair dilali repairing don come donni coming dumu eat dumuni eating gwen chase gwenni chasing da lie down dali lying down famu know famuni knowing men hear menni hearing sungo sleep sungoli sleeping