n-up nnnn nnpr nnss npss npsy nrpn nrps nrsp nsnr nsps nssp nssr nsss nunn nuns nuny nups nurn nurp nurr nurs nuru nuss nusu nusy nuys nyny nyss pnpp pnup pppn pppp ppps ppru ppss ppur prnp prps prrs prss prus pruu prys psnr pspp pspr psps psrp psy- psys puns punu puny pups pupu pupy pur- purp purr purs puru pury puss puy- puys pyn- pypy pyr- pyry pyss rnsp rppn rpps rrrr rrsp rrun rsnn rsnr rsps runn runs runy rupp rupy rurp rurs ruru russ rusu rusy ruun ruys rynn rysy ryun snns snpp snrs snsy snur snus snys spns spps sprs spry spsp spss spun spur spus spy- spyr spys srnn srps srsp ssns ssps ssrs ssss sun- sunn suns sunu suny sup- supp supr sups supy sur- surn surp surr surs suru sury sus- susp suss susu susy suus suyn suyr suyu syn- syns synu syny syrs syry syss syun u-rp unns unps unrs uns- unus upnp uppp uppu uppy upsy upup urns urry urss ursu ursy urun urup urur urus uryn usnr usnu uspp usps ussr usss ussu ussy usun usus uuuu uuyn yrun yryn ysnp yssu yuns yuny yups yurn yury yuyu yyyy