What is the phonic element in the word some?

Elements of Phonics

While letters remain the same, sound comes in different units: syllables, onsets and rimes and phonemes. Each syllable is made up of an onset, a rime or a combination of both. An onset is any consonants presented before a vowel in a syllable. For example, in the word “star”/st/ is the onse

answer; ///replace the battery;