Find all strings in L$(($ab $+$ b$)*$b $($a$+$ab$)*)$ of length less than $5(4$ or less$)$

$($PRACTICE QUESTION$)**$Find $($draw$)$ an nfa that accepts the language L$(($aa$*($ab $+$ b$))$

$($PRACTICE QUESTION$)$ Find $($draw$)$ an nfa that accepts the language L$(($bb$*($a $+$ b$))$