4 letters
- knot9
- knur10
- koan9
- koas8
- kobs11
- kois8
- kors8
- kris8
- kuna10
- labs8
- lacs8
- laic8
- lain6
- lair5
- lari5
- lars5
- last5
- lati5
- lats5
- liar5
- libs8
- lino6
- lins6
- lint6
- lion6
- lira5
- liri5
- list5
- lits5
- litu6
- loan6
- lobs8
- loca8
- loci8
- loin6
- lorn6
- lost5
- lota5
- loti5
- lots5
- lour6
- lout6
- luna7
- lunt7
- lust6
- macs10
- main8
- mair7
- mano8
- mans8
- marc10
- mars7
- mart7
- mast7
- mats7
- matt7
- maun9
- maut8
- mibs10
- mica10
- mina8
- mini8
- mint8
- miri7
- mirs7
- miso7
- mist7
- mitt7
- moan8
- moas7
- moat7
- mobs10
- mocs10
- mons8
- mora7
- morn8
- mors7
- mort7
- most7
- mots7
- mott7
- muni9
- muns9
- muon9
- mura8
- must8
- muts8
- mutt8
- nabe8
- nabs8
- nags7
- naif8
- nail6
- nans6
- naoi5
- naos5
- naps8
- narc8
- nard6
- nark9
- nary7
- nays7
- nazi14
- near5
- neat5
- nebs8
- nest5
- nets5
- nett5
- nibs8
- nice8
- nick12
- nidi6
- nils6
- nims8
- nipa8
- nips8
- nisi5
- nite5
- nits5
- nobs8
- nock12
- nodi6
- nods6
- noes5
- nogs7
- noil6
- noir5
- noma8
- noms8
- nona6
- nori5
- norm8
- nose5
- nosh7
- nosy7
- nota5
- note5
- noun7
- nous6
- nova9
- nows8
- nowt8
- nubs9
- numb12
- nuns7
- nurd7
- nurl7
- nuts6
- oafs7
- oaks8
- oars4
- oast4
- oath6
- oats4
- obes7
- obia7
- obis7
- obit7
- ocas7
- odic8
- ohia6
- oils5
- oink9
- okas8
- okra8
- omit7
- once8
- ones5
- onto5
- onus6
- oots4
- opts7
- opus8
- orad5
- oral5
- orbs7
- orby9
- orca7
- orcs7
- ores4
- orra4
- orts4
- osar4
- ossa4
- otic7
- otto4
- ouch10
- ouds6
- ours5
- oust5
- outs5
- owns8
- pacs10
- pact10
- pain8
- pair7
- pans8
- pant8
- pars7