编译技术问题，求解答。。

For the grammarS SS+|SS*|a andinput string aaaa++
Give a rightmost derivation for the string and all handles in the rightmost sentential forms.
Describe all the viable prefixes for the input string.
Construct the SLR(1) DFA,and show the parsing table for the grammar Is the grammar SLR(1)?
Show the SLR(1) parsing process on the inputaaaa++
如题所示”