The correct spelling of the phrase "wert turned on by" is /wɜrt/ /tərnd/ /ɔn/ /baɪ/. The first word "wert" is an archaic second-person singular past tense of the verb "to be". The second word "turned" is a regular past tense and past participle form of the verb "to turn". The third word "on" is pronounced as an unstressed schwa sound /ən/. Lastly, "by" is a preposition pronounced as /baɪ/. When combined, this phrase means "you became sexually aroused by something."