Let ALLITERATIVE-PAIRS be the language of odd-length strings of length at least 3 over the alphabet {a,b,/} that represent pairs of /-delimited words beginning with the same letter. More precisely, for any string S belonging to ALLITERATIVE-PAIRS: • The middle character of S is /, and every other character of S is in {a,b} • The first character in S is the same as the character immediately following /

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Let ALLITERATIVE-PAIRS be the language of odd-length strings of length at least 3 over the alphabet {a,b,/} that represent pairs of /-delimited words beginning with the same letter.
More precisely, for any string S belonging to ALLITERATIVE-PAIRS:
The middle character of S is /, and every other character of S is in {a,b}
The first character in S is the same as the character immediately following /
For example, these strings would belong to ALLITERATIVE-PAIRS:
a/abbbabb
bbab/bba
b/b
aaaa/aa
But these strings would not belong to ALLITERATIVE-PAIRS:
a/b
bbb/abb
abbabb
aab//aba
Give a context-free grammar for the language ALLITERATIVE-PAIRS.
BI
E E PR
Paragraph
Path: p
Transcribed Image Text:Let ALLITERATIVE-PAIRS be the language of odd-length strings of length at least 3 over the alphabet {a,b,/} that represent pairs of /-delimited words beginning with the same letter. More precisely, for any string S belonging to ALLITERATIVE-PAIRS: The middle character of S is /, and every other character of S is in {a,b} The first character in S is the same as the character immediately following / For example, these strings would belong to ALLITERATIVE-PAIRS: a/abbbabb bbab/bba b/b aaaa/aa But these strings would not belong to ALLITERATIVE-PAIRS: a/b bbb/abb abbabb aab//aba Give a context-free grammar for the language ALLITERATIVE-PAIRS. BI E E PR Paragraph Path: p
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