Changes

:''Word'' -> ''Letter'' ''PartWord'' -> ''Letter'' ''Letter'' ''PartWord'' -> ''Letter'' ''Letter'' [nothing] ->  ''Letter'' ''Letter''

:''Word'' -> ''Letter'' ''PartWord'' -> ''Letter'' ''Letter'' ''PartWord'' -> ''Letter'' ''Letter'' [nothing] ->  ''Letter'' ''Letter''

Obviously, words of any length can be constructed. Trying to further constrain the productions to produce words which are more English-like is much more difficult - how do you insist on at least one vowel or on no more than 5 consecutive consonants (e.g. as in 'strenghts').

Obviously, words of any length can be constructed. Trying to further constrain the productions to produce words which are more English-like is much more difficult - how do you insist on at least one vowel or on no more than 5 consecutive consonants (e.g. as in 'strengths').

Further examples in [[Regular grammar]] show how numbers can be defined via a regular grammar, and also show how a hyphenated word could be defined.

Further examples in [[Regular grammar]] show how numbers can be defined via a regular grammar, and also show how a hyphenated word could be defined.