Results: 29 words
GRIPS​8
PINGS​8
PIGGY​12
GRIPE​8
GIPSY​11
SPRIG​8
PLING​8
OPING​8
PINGO​8
GIMPS​10
GIMPY​13
APING​8
PIGMY​13
GENIP​8
GILPY​11
GIPON​8
GIPPY​13
GOPIK​12
GRAIP​8
GRIPT​8
GRIPY​11
GUIMP​10
IGAPO​8
PAGRI​8
PIGHT​11
PIING​8
PIROG​8
PRIGS​8
PUGIL​8