-er -up eee eef eek eep eer ef- efe eff efp efr eke ekf ekp ekr eku ep- epe epf epp epr epu ere erf erk erp err eru eu- eue euf eup eur fee fef fek fep fer feu ffe fff ffk ffp ffr ffu fkf fkk fkp fpe fpk fpp fpr fpu fre frf frk frp frr fru fue fuf fuk fup fur fuu ke- kee kef kek kep ker kff kfu kke kkk kkp kkr kku kpe kpf kpk kpp kpr kpu krf krk krp krr kru kue kuk kup kur kuu p-p pee pef pek pep per peu pfe pff pfk pfp pfr pfu pke pkf pkp pkr pku ppe ppf ppk ppp ppr ppu pre prf prk prp prr pru pue puf puk pup pur puu re- ree ref rek rep rer reu rfe rff rfk rfp rfr rfu rke rkf rkk rkp rku rpe rpf rpk rpp rpr rpu rrf rrk rrp rrr rru rue ruf ruk rup rur ruu uee uef uep uer ufe uff ufp ufr ufu uke ukf ukk ukp ukr uku up- upe upf upk upp upr upu ur- ure urf urk urp urr uru uue uur uuu

eeee eefe eeke efke ekek eker ekpe ekur epee eper eppp eprp erer erke erpe erre erur euer eur- eure f--k feek feer fefe feff feke fere ferk ferr feru ffee ffff ffrr fprf free frep frue fuff fufu fuke fukk fuku fur- fure furr keef keek keep keer keff kefr keke keku kep- kepe kepu ker- kere kerf kerk kerp kerr keru keup keur kfer kfff kffk kfpr kfre kfrp kfrr kfru kkfr kkkk kkpk kkre kkrf kkrk kkrr kkup kkuu kpek kper kpfk kpfr kpke kpkk kpkr kppk kppp kppr kpre kprf kprk kprp kprr kpru kpur kree kref krek kreu krfe krff krfp krke krkk krkr krku krpr krpu krre krrf krrk krrr krue kruf kruk krup krur kuek kueu kuff kufr kuke kukk kuku kupe kupr kupu kure kurk kurr kuru kuuk kuur kuuu peek peep peer peff peke pekk pepe per- pere perf perk perp perr peru peur pfff pffr pfkp pper pppp pprf ppru ppur pre- pree pref prek prep preu prue pruf pruu pu-e puer pueu puff puke puku pupe pupu pur- pure purp purr puru reef reek reep refe reff refr refu reke repe repp repr repu rere reru reue reuf reuk reup reuu rfef rkkf rrrr ruer rufe ruff ruke rukk ruku rupe rupp rure rurp ruru u-rp ufer uffe ufuk ukek ukeu ukup ukur uppe uppp uppu upup ure- urfe urff urke urre uruk urup urur uuuu

eeeee eepee efere effer efuru ekker ekuku ekuru epuku epure erere eruke eurre feere ferr- ferre feuer freek freep freer freke frere freur fu-fu k-p-r keefe keepe keere kefee keppe kerek kerep kerre kreef 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 preef preff preke preuk puker puppe puree purer purku purre re-up reefe reepe reere refer reffe rekke reppe rere- reree reuer rperf ruere ruffe rukke rupee ruper ufere ukeep ukeke upper urker urpek urupe uuuuu

effere ferfer ferrer ferrup ferrur freepr freeup frefre freure fruupp furfur furrer furrfu keefer keeffe keeker keeper keepup kepper kereru kerker kerkuk keuper keuruu kreker krupke krupuk kukere kupper kurper kurree kururu peeker peepee peeper peerer peffer pepper perere perkup perper perree peruke pppppp preeue prefer preffe preue- puerer puffer puffup pukeru pukree pureke purpre purpur purree purrer reefer reeffe reeker reeper refeff repper repref repure repuru reuere ruffer rurkee upkeep uruffe uruppu

erukkur ferrere ferrure freeppp furrure kee-kee kreeker kupffer kurkure pee-pee peperek peruker pfeffer preferr preffer prepere prepper pruefer puerper purpure referee referer rekeure repreef reprefe repreue rerefer uepeker

kukukuku kukuruku kurukuru peeppeep pepperer perperek perrerer preferee preferer referree referrer rekeuere

keek-keek pepper-up preferree preferrer puff-puff repe-refe

kukkurukuu

pepperupper

keepupupkeep pepper-upper