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For the suffix -son, you might always see a smaller version of the main thing you’re picturing. For example, for Robinson, you could see a robin and a smaller robin—its son. Or, you could use the sun in the sky as your standard. For Mc- or Mac-, you could always picture a Mack truck; for -itz or -witz, picture brains (wits); for -berg, see an iceberg; for -stein, picture a beer stein; for -ton, see the item weighing a ton; for a -ger ending, we usually picture either a wild animal growling (grr), or a cigar
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Harry Lorayne (The Memory Book: The Classic Guide to Improving Your Memory at Work, at School, and at Play)