4 letters
- khat10
- khet10
- khis10
- kips11
- kirs8
- kist8
- kith10
- kits8
- knap12
- knar9
- knop12
- knot9
- know12
- koan9
- koas8
- kobs11
- kohl11
- kois8
- kola9
- koph13
- kops11
- kore8
- kors8
- koss8
- koto8
- kris8
- kvas12
- kyar10
- kyat10
- lack12
- lacs8
- lakh11
- laps8
- lark9
- lars5
- lash7
- last5
- lath7
- lats5
- laws8
- loca8
- loch10
- lock12
- lops8
- lost5
- lota5
- loth7
- lots5
- lows8
- mach12
- mack14
- macs10
- mako11
- maps10
- marc10
- mark11
- mars7
- mart7
- mash9
- mask11
- mast7
- math9
- mats7
- maws10
- mhos9
- moas7
- moat7
- mock14
- mocs10
- mops10
- mora7
- mors7
- mort7
- mosh9
- mosk11
- most7
- moth9
- mots7
- mows10
- naos5
- naps8
- narc8
- nark9
- nock12
- nosh7
- nota5
- nows8
- nowt8
- oafs7
- oaks8
- oars4
- oast4
- oath6
- oats4
- ocas7
- ohia6
- ohms9
- okas8
- okay10
- okeh10
- okes8
- okra8
- oohs6
- oops7
- oots4
- opah9
- opal8
- opes7
- opts7
- opus8
- orad5
- oral5
- orbs7
- orca7
- orcs7
- ores4
- orra4
- orts4
- osar4
- ossa4
- otic7
- ouch10
- ouph10
- ours5
- oust5
- outs5
- owes7
- owls8
- owns8
- owse7
- paca10
- pace10
- pack14
- pacs10
- pact10
- pads8
- paik11
- pair7
- pals8
- pams10
- pans8
- pant8
- paps10
- para7
- pard8
- pare7
- park11
- parr7
- pars7
- part7
- pase7
- pash9
- pass7
- past7
- pate7
- path9
- pats7
- paty9
- pawl11
- pawn11
- paws10
- pays9
- peak11
- pear7
- peas7
- peat7
- pech12
- peck14
- pecs10
- pehs9
- perk11
- pert7
- peso7
- pest7
- pets7
- pews10
- phat9
- phew12
- phis9
- phon10
- phot9
- phut10
- pias7
- pica10
- pick14
- pics10
- pika11
- pish9
- piso7
- pita7
- pith9
- pits7
- plat8
- plot8
- plow11
- pock14
- poco10
- pods8
- poet7
- pois7