The spelling of the word "Sturrock" can be broken down and explained phonetically using IPA transcription. The initial "s" sound is represented by the IPA symbol /s/. The "t" sound is represented by /t/, followed by the short "u" sound represented by /ʌ/. The second "r" sound is represented by /r/, followed by the long "o" sound represented by /oʊ/. Finally, the "ck" sound is represented by /k/. Overall, the spelling of "Sturrock" can be explained using a combination of consonant and vowel sounds.