Houghton MifflinÂ® (2003)support for 2nd grade story Big Bushy Mustache by Gary Soto. There are 3 sheets which include a fluency story, fluency words, and fluency story for homework. The fluency words are related to the word pattern for this story (dipthong ou,ow). The fluency story contains the vocabulary words of the week. These worksheets correlate to the story and help to build student's fluency.