AEYMPSH
Make words with H
Never: plural or third-person -S suffix
AHEM ASHY EMPHASES EMPHYSEMA HAMMAM HAPPY HASH HASP HEAP HEMP HEMPY HYPE HYPHA HYPHAE SHEESH PASHA HAMMY MASH MAYHAP MAYHEM MESH MESHY PHASE SASH SASHAY SHAH SHAM SHAME SHAMMY SHAPE SHEEP SMASH YEAH
Pangrams: EMPHYSEMA