Ehsanul Hoque — ArticlesWorking notes from a Kotlin engineer in Dhaka. Android, Kotlin Multiplatform, real-time systems, in-app billing, and the unglamorous infra that ships products.https://ehsanfahad.dev/enWhy LLMs Couldn't Count the R's in "Strawberry" — and How Spelling It Out Fixed Ithttps://ehsanfahad.dev/articles/why-llms-could-not-count-letters/https://ehsanfahad.dev/articles/why-llms-could-not-count-letters/An AI that writes essays and debugs code couldn't count the r's in "strawberry." The reason reveals how LLMs really see text — and the fix is simply spelling it out.Thu, 11 Jun 2026 00:00:00 GMTllmtokenizationaimachine learningprompt engineeringchain-of-thoughtnlpchatgptstrawberry problemai limitations