Related Clues:

• Lined up neatly
• Lined up, with 'in'
• Pretty maids all in ___ (2 words)
• "Like pretty maids all in ___" (2 words)
• "...pretty maids all in ___"
• Put one's ducks in ___ (2 words)
• In — (single-file)
• In — (lined up)
• Aligned, with ''in''
• In — (aligned)