Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to unscramble words [title] Pair letters that appear together frequently. [step] Scan the letters for letters that frequently appear together in words. Look for pairs like " ch, " " sh, " " qu ", and " ph.

Ending1: " [title] Identify letters that you do not recognize. [step] Clicking a letter into a word will force the letters to connect quickly. Ending2: " jot these combinations down on a piece of scrap paper. They may be a key part of the final word. Ending3: " look for pairs of letters that appear together sporadically, rarely, at all. Select pairs of letters that appear in 3 different combination. Ending4: " this should make sense since there are so many unique, consistent sounding letters that can all be paired with similar letters. [substeps] Some examples include " ch, " " π, " " uc.

Answer format: ending1/ending2/ending3/ending4