Recognise how some Punjabi words are borrowed from other languages, including Portuguese, Arabic and Persian, and could be pronounced and written with a dot below the letters; for example, ਸ਼, ਖ਼, ਗ਼, ਜ਼, ਫ਼, ਲ਼ – ਖ਼ਰਬੂਜਾ, ਸ਼ੁਰੂ