4 letters
- caps10
- ceps10
- cops10
- coup11
- crus8
- cubs11
- cuds9
- cues8
- cups11
- curs8
- cusk12
- cusp11
- cuss8
- cuts8
- dups9
- ecus8
- opus8
- pacs10
- pecs10
- pics10
- plus9
- pubs11
- puce11
- puck15
- puds9
- pugs10
- puls9
- puns9
- pups11
- purs8
- push10
- puss8
- puts8
- scop10
- scud9
- scum11
- scup11
- scut8
- soup8
- spec10
- spic10
- spud9
- spue8
- spun9
- spur8
- such10
- suck12
- sump11
- supe8
- sups8
- tups8
- umps11
- upas8
- yups10
3 letters
- asp6
- bus7
- cap9
- cep9
- cis6
- cop9
- cos6
- cub10
- cud8
- cue7
- cum10
- cup10
- cur7
- cut7
- dup8
- ecu7
- hup9
- jus13
- mus7
- nus5
- ops6
- pac9
- pas6
- pec9
- pes6
- pic9
- pis6
- piu7
- psi6
- pub10
- pud8
- pug9
- pul8
- pun8
- pup10
- pur7
- pus7
- put7
- sac6
- sap6
- sau4
- sec6
- sic6
- sip6
- sop6
- sou4
- spa6
- spy8
- sub7
- sue4
- sum7
- sun5
- sup7
- suq13
- tup7
- ump10
- uns5
- upo7
- ups7
- use4
- uts4
- yup9