n-up nnnn nnss npss npsy nsps nssp nsss nunn nuns nuny nups nuss nusu nusy nuys nyny nyss pnpp pnup pppn pppp ppps ppss pspp psps psy- psys puns punu puny pups pupu pupy puss puy- puys pyn- pypy pyss snns snpp snsy snus snys spns spps spsp spss spun spus spy- spys ssns ssps ssss sun- sunn suns sunu suny sup- supp sups supy sus- susp suss susu susy suus suyn suyu syn- syns synu syny syss syun unns unps uns- unus upnp uppp uppu uppy upsy upup usnu uspp usps usss ussu ussy usun usus uuuu uuyn ysnp yssu yuns yuny yups yuyu yyyy