Potential answers for "Imaginary surface coinciding with the earths sea level"

⭐⭐⭐ ONEG
⭐⭐⭐ MERMAID
⭐⭐⭐ PLANE
⭐⭐⭐ MERMAIDS
⭐⭐ LHASA
⭐⭐ ELEV
⭐⭐ ALT
⭐⭐ GROUNDBURST
⭐⭐ ARAL
⭐⭐ TNT

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