-er -up eee eek eep eer eke ekp ekr eku ep- epe epp epr epu ere erk erp err eru eu- eue eup eur ke- kee kek kep ker kke kkk kkp kkr kku kpe kpk kpp kpr kpu krk krp krr kru kue kuk kup kur kuu p-p pee pek pep per peu pke pkp pkr pku ppe ppk ppp ppr ppu pre prk prp prr pru pue puk pup pur puu re- ree rek rep rer reu rke rkk rkp rku rpe rpk rpp rpr rpu rrk rrp rrr rru rue ruk rup rur ruu uee uep uer uke ukk ukp ukr uku up- upe upk upp upr upu ur- ure urk urp urr uru uue uur uuu

eeee eeke ekek eker ekpe ekur epee eper eppp eprp erer erke erpe erre erur euer eur- eure keek keep keer keke keku kep- kepe kepu ker- kere kerk kerp kerr keru keup keur kkkk kkpk kkre kkrk kkrr kkup kkuu kpek kper kpke kpkk kpkr kppk kppp kppr kpre kprk kprp kprr kpru kpur kree krek kreu krke krkk krkr krku krpr krpu krre krrk krrr krue kruk krup krur kuek kueu kuke kukk kuku kupe kupr kupu kure kurk kurr kuru kuuk kuur kuuu peek peep peer peke pekk pepe per- pere perk perp perr peru peur pper pppp ppru ppur pre- pree prek prep preu prue pruu pu-e puer pueu puke puku pupe pupu pur- pure purp purr puru reek reep reke repe repp repr repu rere reru reue reuk reup reuu rrrr ruer ruke rukk ruku rupe rupp rure rurp ruru u-rp ukek ukeu ukup ukur uppe uppp uppu upup ure- urke urre uruk urup urur uuuu

eeeee eepee ekker ekuku ekuru epuku epure erere eruke eurre k-p-r keepe keere keppe kerek kerep kerre kreek kreep kreke krepe kreuk krupp kukup kukur kuper kuppe kupur kurek kurku kurre kuruk kurup p-rep peeke peere pekre pepee peppe pepup perer perke perre perur peure pre-k preke preuk puker puppe puree purer purku purre re-up reepe reere rekke reppe rere- reree reuer ruere rukke rupee ruper ukeep ukeke upper urker urpek urupe uuuuu

keeker keeper keepup kepper kereru kerker kerkuk keuper keuruu kreker krupke krupuk kukere kupper kurper kurree kururu peeker peepee peeper peerer pepper perere perkup perper perree peruke pppppp preeue preue- puerer pukeru pukree purpre purpur purree purrer reeker reeper repper repure repuru reuere rurkee upkeep uruppu

erukkur kee-kee kreeker kurkure pee-pee peperek peruker prepere prepper puerper purpure rekeure repreue uepeker

kukukuku kukuruku kurukuru peeppeep pepperer perperek perrerer rekeuere

keek-keek pepper-up

kukkurukuu

pepperupper

keepupupkeep pepper-upper