4 letters
- pung11
- punk13
- puns9
- punt9
- puny11
- pupa11
- pups11
- pure8
- puri8
- purl9
- purr8
- purs8
- pyin10
- quin15
- quip17
- ragi6
- rail5
- rain5
- rang7
- rani5
- rein5
- repp10
- rial5
- riel5
- rigs6
- rile5
- rill6
- rind6
- ring7
- rink9
- rins5
- ripe7
- rips7
- roil5
- roup8
- ruga7
- rugs7
- ruin6
- rule6
- ruly8
- rump11
- rune6
- rung8
- runs6
- runt6
- sign7
- sing7
- slip8
- slug8
- slur6
- snip8
- snug8
- spin8
- spun9
- spur8
- sung8
- ting7
- tirl5
- trig6
- trip7
- trug7
- tung8
- turn6
- ugly10
- ulan7
- ulna7
- unai6
- unci9
- unit6
- upon9
- urge7
- uric8
- urns6
- virl9
- wing10
- zing16