The spelling of the word "BTUSQ FT" may seem unorthodox and confusing at first glance. However, with the help of IPA phonetic transcription, we can break it down. The first syllable, "BTU," is pronounced /'bi: ti: ju:/, which stands for British Thermal Unit, commonly used as a measure of energy. The second syllable, "SQ," is pronounced /'es kju:/, standing for square. The final syllable, "FT", is pronounced /'ef ti:/, standing for feet, a unit of length. Put together, "BTUSQ FT" conveys information about a specific amount of heat energy per unit area and distance.