A morpheme is the smallest unit that has meaning in a langua…

A morpheme is the smallest unit that has meaning in a language. It can be a root word as in ‘run’; it can be a prefix such as ‘un’ in the word ‘undone’.  It can a suffix such as ‘er’ as in the word ‘runner’. How many morphemes are in each of these words: small [1]       tallest [2]      untie [3]    retried [4]     girls [5]