The word Dities is misspelled against Ditties, which is plural of "Ditty"
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Ditties has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings di & ies which should not be misspelled with single 'T'
Wrong Spelling:  di-t-ies 
Correct Spelling:  di-tt-ies 
Find more wrongly spelled words of Ditties to spell it well.