Morse Code

    Letter Patterns & Combinations

    Master common letter combinations in Morse code. Learn patterns, practice with real-world examples, and improve your speed and accuracy.

    Common Letter Pairs

    Most frequent two-letter combinations in English

    TH
    - ....
    Frequency: 3.56%
    HE
    .... .
    Frequency: 3.07%
    AN
    .- -.
    Frequency: 2.43%
    IN
    .. -.
    Frequency: 2.31%
    ER
    . .-.
    Frequency: 2.05%
    ON
    --- -.
    Frequency: 1.68%
    RE
    .-. .
    Frequency: 1.65%
    ED
    . -..
    Frequency: 1.44%
    ND
    -. -..
    Frequency: 1.35%
    AT
    .- -
    Frequency: 1.34%

    Pattern Recognition Tips

    Common Patterns

    • Most words contain at least one E or T
    • "TH" is the most common letter pair
    • "THE" is the most common trigram
    • "-ING" is a very common word ending

    Practice Strategy

    • Start with high-frequency pairs
    • Practice common word endings
    • Learn patterns as complete units
    • Use real English words in practice

    Learning Resources

    Progress Tracking

    Letters Mastered
    12/26
    Practice Streak
    3 Days

    Next Steps

    ✓ Learn basic letters

    → Practice common combinations

    ○ Master numbers

    ○ Learn special characters