An acrostic is a poem or other form of writing. In an acrostic, the first letter, syllable, or word of every line, paragraph, or other feature spells out a word or a message. It can be used to remember things. For example, Edgar Allan Poe wrote an acrostic poem in English:
ʌ n WORD_BOUNDARY æ k ɹ ɑ s t ɪ k WORD_BOUNDARY ɪ z WORD_BOUNDARY ʌ WORD_BOUNDARY p oʊ ɪ m WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ʌ ð ə ɹ WORD_BOUNDARY f ɔ ɹ m WORD_BOUNDARY ʌ v WORD_BOUNDARY ɹ aɪ t ɪ ŋ WORD_BOUNDARY ɪ n WORD_BOUNDARY ʌ n WORD_BOUNDARY æ k ɹ ɑ s t ɪ k WORD_BOUNDARY ð ə WORD_BOUNDARY f ɜː s t WORD_BOUNDARY l ɛ t ə ɹ WORD_BOUNDARY s ɪ l ə b ə l WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY w ɜː d WORD_BOUNDARY ʌ v WORD_BOUNDARY ɛ v ɹ i WORD_BOUNDARY l aɪ n WORD_BOUNDARY p æ ɹ ə ɡ ɹ æ f WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ʌ ð ə ɹ WORD_BOUNDARY f iː t̠ʃ ə ɹ WORD_BOUNDARY s p ɛ l z WORD_BOUNDARY aʊ t WORD_BOUNDARY ʌ WORD_BOUNDARY w ɜː d WORD_BOUNDARY ɔ ɹ WORD_BOUNDARY ʌ WORD_BOUNDARY m ɛ s ɪ d̠ʒ WORD_BOUNDARY ɪ t WORD_BOUNDARY k æ n WORD_BOUNDARY b iː WORD_BOUNDARY j uː z d WORD_BOUNDARY t ə WORD_BOUNDARY ɹ ɪ m ɛ m b ə ɹ WORD_BOUNDARY θ ɪ ŋ z WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY ɛ ɡ z æ m p ə l WORD_BOUNDARY ɛ d ɡ ə ɹ ɹ WORD_BOUNDARY æ l ə n WORD_BOUNDARY p oʊ WORD_BOUNDARY ɹ oʊ t WORD_BOUNDARY ʌ n WORD_BOUNDARY æ k ɹ ɑ s t ɪ k WORD_BOUNDARY p oʊ ɪ m WORD_BOUNDARY ɪ n WORD_BOUNDARY ɪ ŋ ɡ l ɪ ʃ WORD_BOUNDARY