"yotta (SI prefix for 1024)"
"A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - misc"
"Y"
"Y chromosome"
"Yb: ytterbium"
"Yr: year"
"yotta (SI prefix for 1024)"
"YO: year old"
"YOD: young onset dementia"
"YOF: year old female"
"YOM: year old male"
"YS: yolk sac"
"YST: yolk sac tumour"