- Dot words: ≤3 letters (was ≤2) — two-letter words like "go/it" were too limiting
- Dash words: ≥4 letters (unchanged in practice)
- Added DOT_WORDS and DASH_WORDS banks (~60 and ~200 words)
- suggestPhrases() generates 5 random valid suggestions per letter
- MnemonicBuilder shows clickable suggestion pills; "↻ new" refreshes them
- Selected suggestion highlights in gold; user can still type their own
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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