お姉ねえさん

すみません、お姉ねえさんexcuse me, miss (used to address a young woman)
すみません、お姉ねえさん、ちょっと道みちを教おしえてください。
Excuse me, miss, could you tell me the way?
お姉ねえさん、〜お願ねがいしますused to call a waitress over and make a request
お姉ねえさん、お水みずをお願ねがいします。
Miss, could I get some water, please?

Kanji

姉あねN5sense 1
姉 is the plain, humble word you use for your own older sister, while お姉さん is the polite, honorific form used both for one's own sister and for other people's.
姉ねえさんN1sense 1
姉さん is a slightly less formal address term than お姉さん, dropping the polite お prefix while keeping the same meaning.

妹いもうとN5sense 1
妹 means 'younger sister', the direct opposite of お姉さん's 'older sister' sense.
お兄にいさんN5sense 1
お兄さん is the male counterpart of お姉さん, used for an older brother instead of an older sister.

姉ねえさんplainN1
お姉さん adds the polite お- prefix, making it the safer, more polite choice for addressing someone else's older sister or an unknown young woman, whereas plain 姉さん can sound more familiar or casual.
姉あねplainN5
姉 is the humble, plain word used when talking about one's own older sister, while お姉さん is the polite form used to address or refer to someone else's older sister (or a young woman in general).
姉ねえちゃんplain
お姉さん is the polite, everyday term used to address an older sister or an unfamiliar young woman, whereas 姉ちゃん sounds more familiar or rough.

お姉ねえさん
Standard polite spelling for 'older sister' and general respectful address for young women.
お姐ねえさん
Used when referring to a waitress, geisha superior, or similar service role; less common than お姉さん.

Polite prefix お + 姉 (older sister) + honorific suffix さん. The spelling 姐 is sometimes used for non-family female roles.