The spelling of the word "lesko" can be a bit tricky, as it contains a blend of different vowel and consonant sounds. The IPA phonetic transcription for "lesko" is /lɛskoʊ/, which indicates that the first syllable contains a short "e" vowel sound, followed by a voiceless "s" consonant sound. The second syllable contains a long "o" vowel sound, and a voiced "k" consonant sound. It is important to pay attention to each individual sound in order to spell "lesko" correctly.