-er eee eek eeo eep eer eke eko ekp ekr eo- eoe eok eoo eop eor ep- epe epo epp epr ere erk ero erp err ke- kee kek keo kep ker kke kkk kkp kkr koe kok koo kop kor kpe kpk kpo kpp kpr krk kro krp krr oee oeo oep oer oke okk oko okp okr oo- ook ooo oop oor op- ope opk opo opp opr or- ore ork oro orp orr p-p pee pek peo pep per pke pko pkp pkr poe pok poo pop por ppe ppk ppo ppp ppr pre prk pro prp prr re- ree rek reo rep rer rke rkk rko rkp roe rok roo rop ror rpe rpk rpo rpp rpr rrk rrp rrr

eeee eeke eero ekek eker ekpe ekpo eore epee eper epor eppo eppp epro eprp erer erke eroe eroo erpe erre erro keek keep keer keke keko keok kep- kepe ker- kere kerk kero kerp kerr kkkk kkoo kkor kkpk kkre kkrk kkro kkrr koke kokk koko kokp kokr kook kooo koop koor kope kopp kopr kore kork koro korr kpek kper kpke kpkk kpkr kpoe kpok kpoo kpop kppk kppo kppp kppr kpre kprk kpro kprp kprr kree krek kreo krke krkk krko krkr kroe krok kroo krop kror krpr krre krrk krro krrr o-eo oere oker okko okok okor okpe okpo okre okro ooer oooo oore opep oper opo- opor oppo ore- orek oreo orer orke orko oro- oroe orok oror orpe orro peek peep peer peke pekk peko peor pepe pepo per- pere perk pero perp perr poer poke poko pook poop poor pop- pope popo popp pore pork poro porr pper pppo pppp pre- pree prek prep pro- proe proo prop reek reep reke reko reop repe repo repp repr rere rero roer roke rokk roko rokr rook roop roor rope ropo rore rork roro rpoe rrrr

e-pro eeeee eepee ekeko ekker eorre erere erkko eroor erore error k-p-r k-pop keepe keere keppe kerek kerep kerre ko-ko koepp koker kokko kokor kokre kopek koper koppe korek korke korop koror korpe korpo korro kre-o kreek kreep kreke kreo- krepe kroke kropp oeppo okeke okere okker okoro oo-er ooooo opepe opere opper oreo- orere orero oroer oroke p-rep peeke peere pekoe pekre pepee peppe perer perke perko perre perro po-po poker pooer pooke poope poopo poore poork popek poper popop poppe poppo porer porke poro- porro pre-k preke preko preok preop proer proke proor prop- prope propp propr prore reepe reere rekke repok repop repor reppe repro rere- reree ro-ro roero rokee roker rokke rokkk rooer rooke roope roore roper roppe rorer rorke rprop

ekero epopee keeker keeper keokee kepper kerker kokopo kokoro kokpek kookoo koopoo kopeek koreke korere korero korkor kororo korrek kreker kreope krokek okerer okopek okpoko ookroo oooooo orpeko peeker peepee peeper peerer pepero pepkor pepper perere peroke peroor perore perper perree pookoo pooper poopoo poorer popopo poporo popper poppop porker ppoker pppppp pre-op preore proker prokke prokop proper propre reeker reeper repope repper roeper roepke rokker rokkor rooker roopee roopek rooper rorek

eeeroer kee-kee kor-kor korkoro korokke kreeker okpekpe orepeer pee-pee peperek perrero perrore poo-poo porpere porpore prepere prepper propero propper roorkee

koekkoek kroepoek orerokpe peeppeep pepeekeo pepperer perperek perrerer poorpoor poroporo properer

keek-keek orekeeper poee-poee