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helix,
hillocks,
hulks,
holcus,
hallux,
HELIOX,
helix angle,
Helix Aspersa,
Helix Hortensis,
Helix Pomatia,
Holcus Lanatus,
Holcus Mollis,
genus helix,
Genus Holcus,
Hedera Helix,
double helix.