The term 'HOW SAD!' can be expressed in two words: 'ALAS' and 'TRAGIC'. The word 'ALAS' is an interjection used to express sorrow, regret, or grief. It is often used to express sympathy for someone who has suffered a misfortune. The word 'TRAGIC' is an adjective that describes something that is very sad or unfortunate. It is often used to describe a situation or event that has caused great suffering or loss. Together, these two words express a deep sense of sadness and sorrow.