4 letters
- plan9
- plat8
- plea8
- plie8
- rail5
- rale5
- real5
- rial5
- riel5
- rile5
- tael5
- tail5
- talc8
- tale5
- tali5
- teal5
- tela5
- poet7
- pone8
- pong10
- pore7
- porn8
- port7
- prao7
- proa7
- prog9
- rato4
- repo7
- riot4
- roan5
- rope7
- rota4
- rote4
- roti4
- taco7
- taro4
- thio6
- pish9
- pits7
- rags6
- raps7
- rase4
- rash6
- rasp7
- rats4
- recs7
- regs6
- reis4
- reps7
- resh6
- rest4
- rets4
- rias4
- rigs6
- rins5
- rips7
- rise4
- sage6
- sain5
- sane5
- sang7
- sari4
- sate4
- sati4
- scag9
- scan8
- scar7
- scat7
- sear4
- seat4
- sect7
- sent5
- sept7
- sera4
- seta4
- shag8
- shat6
- shea6
- shin7
- ship9
- shit6
- shri6
- sice7
- sigh8
- sign7
- sine5
- sing7
- sinh7
- sipe7
- sire4
- site4
- sith6
- snag7
- snap8
- snip8
- snit5
- spae7
- span8
- spar7
- spat7
- spec10
- spic10
- spin8
- spit7
- stag6
- star4
- step7
- stir4
- tags6
- tans5
- taps7
- tars4
- teas4
- tegs6
- tens5
- this6
l -
o -
s -