SDIPAHR
Make words with R
Never: plural or third-person -S suffix
AIRRAID AIRSHIP ARIA ARID DRIP HAIR HARASS HARD HARDSHIP HARISSA HARP HARSH IRIS IRISH PAIR PARAPHRASIS PARIAH PARISH PARR PIRAI RADAR RADISH RAID RAPID RASH RASP RIPRAP SARI SHARD SHARIAH SHARP SHARPISH SPAR
Pangrams: HARDSHIP