The spelling of the word "tasss" can be explained using the International Phonetic Alphabet (IPA) transcription. The word is pronounced with a short "a" sound followed by three "s" sounds. In IPA, this is written as /tæs/ with three symbols for the "s" sound represented by the letter "s." While the word "tasss" may be a non-standard word, the IPA phonetic transcription allows us to understand the sounds and spelling pattern used in this word.