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If the stem ends in gg one g is dropped in the Past and in the Past Participle, e.g., bygge, bygde, bygd 'built', tygge, tygde, tygd, 'chew'
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If the stem ends in gg one g is dropped in the Past and in the Past Participle, e.g., bygge, bygde, bygd 'built', tygge, tygde, tygd, 'chew'