- - fibrous protein that occurs in hair and nails
- - major component of hair and nails.
- - Fingernail material
- - Protein found in hair and nails
- - Jack ultimately has age and can nail constituent
- - Makeup of some nails
- - Protein in hair and nails
- - Nail material
- - Nail or horn base
- - Horn material
- - Wonk finally given time can nail constituent
- - Protein weaker at inner section
- - Hairy it may be, but you have it at your fingertips!
- - family has different rate for protein
- - Work colleague conclusively classifying short fibrous protein
- - Fibrous protein in the hair
- - Fibrous constituent of feathers, hair, horns, etc
- - Fingernail makeup
- - Protein from European rodent in family
- - Hair constituent
- - Protein in horns and hair
- - Protein found in hair and hooves
- - Protein in hair straighteners
- - Fingernails, essentially
- - Hair protein
- - A fibrous protein
- - Fibrous protein
- - Fingernail component.
- - Basis of horny tissue.
- - Tissues of fingernails.
- - Horny substance a tinker removed
- - a tinker spattered substance in hair
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