7 letter words
HARPOON​12
6 letter words
ORPHAN​11
5 letter words (5 words)
PORNO​7
HONOR​8
APRON​7
PHONO​10
NAPOO​7
4 letter words (23 words)
PORN​6
POOR​6
HORN​7
POOH​9
NOAH​7
HARP​9
HOOP​9
HORA​7
HOON​7
ROAN​4
HARO​7
POON​6
PHON​9
HOAR​7
NOOP​6
HARN​7
ROOP​6
HOOR​7
ROON​4
PRAO​6
3 letter words (35 words)
PRO​5
NOR​3
HOP​8
PAN​5
PAR​5
RAN​3
RAP​5
HON​6
APO​5
HAN​6
NAP​5
ORA​3
OOH​6
POO​5
NAH​6
HOO​6
RHO​6
ONO​3
HOA​6
OOP​5
2 letter words (14 words)
ON​2
OR​2
AN​2
NO​2
OH​5
PA​4
PO​4
AR​2
OP​4
HA​5
AH​5
HO​5
OO​2
NA​2