Google "Zyzzyva software" or "Quackle." These are both anagram software that can generate useful lists of words.
Exchanging Tiles on QuackleAccording to the creator of the Quackle software - whose email address I found online and with whom I was in touch - here are the steps to exchange your tiles: Type the word "Exchange" and then type in each letter you wish to exchange (without any comma or space between the letters), e.g.,"Exchange UBCZYJ";Click on Enter;Click on Commit.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -UAC---. That is, seven letter words with 2nd letter U and 3rd letter A and 4th letter C. In alphabetical order, they are: quacked quacker quackle
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -U--KL-. That is, seven letter words with 2nd letter U and 5th letter K and 6th letter L. In alphabetical order, they are: bubukle quackle quickly
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern Q-A---E. That is, seven letter words with 1st letter Q and 3rd letter A and 7th letter E. In alphabetical order, they are: quackle quashee quashie quayage
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern Q----LE. That is, seven letter words with 1st letter Q and 6th letter L and 7th letter E. In alphabetical order, they are: quackle quibble quiddle
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern Q-A--LE. That is, seven letter words with 1st letter Q and 3rd letter A and 6th letter L and 7th letter E. In alphabetical order, they are: quackle
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -U--K-E. That is, seven letter words with 2nd letter U and 5th letter K and 7th letter E. In alphabetical order, they are: bubukle quackle quickie
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -UAC--E. That is, seven letter words with 2nd letter U and 3rd letter A and 4th letter C and 7th letter E. In alphabetical order, they are: quackle
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern Q--CK-E. That is, seven letter words with 1st letter Q and 4th letter C and 5th letter K and 7th letter E. In alphabetical order, they are: quackle quickie
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 16 words with the pattern --A-KL-. That is, seven letter words with 3rd letter A and 5th letter K and 6th letter L. In alphabetical order, they are: blackly blankly crackle crackly crankle crankly frankly grackle prankle quackle shackle slackly spackle sparkle sparkly starkly
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern QU-C-LE. That is, seven letter words with 1st letter Q and 2nd letter U and 4th letter C and 6th letter L and 7th letter E. In alphabetical order, they are: quackle