-er eee eeo eep eer eex eo- eoe eoo eop eor ep- epe epo epp epr epx ere ero erp err ex- exe exo exp exr exx oee oeo oep oer oex oo- ooo oop oor oox op- ope opo opp opr opx or- ore oro orp orr orx ox- oxo oxx p-p pee peo pep per pex poe poo pop por pox ppe ppo ppp ppr ppx pre pro prp prr prx pxe pxr re- ree reo rep rer rex roe roo rop ror rox rpe rpo rpp rpr rpx rrp rrr rxp rxr xee xep xer xex xoo xop xor xox xpe xpo xpp xrx xxo xxp xxx

eeee eero eore epee eper epor epox eppo eppp epro eprp epxp er-x erer eroe eroo erpe erre erro exer exo- exor expo expr exrx o-eo oere ooer oooo oore opep oper opex opo- opor oppo ore- oreo orer orex oro- oroe oror orpe orro oxep oxer oxo- oxox oxxo peep peer peor pepe pepo per- pere pero perp perr poer poop poor pop- pope popo popp pore poro porr pper pppo pppp pre- pree prep prex pro- proe proo prop prox reep reop repe repo repp repr rere rero rexx roer roop roor roox rope ropo rore roro roxo rpoe rrrr xeer xer- xero xexe xoro xorp xoxo xper xrep xxxo xxxx

e-pro eeeee eepee eorre erere eroor erore error exore exper expro oeppo oo-er ooooo opepe opere opper oreo- orere orero orexo oroer p-o-x p-rep peere pepee peppe perer perox perre perro po-po pooer poope poopo poore poper popex popop poppe poppo porer poro- porro pppox preop proer proor prop- prope propp propr prore reepe reere reorx repop repor reppe repro rere- reree rexer ro-ro roero rooer roope roore roper roppe rorer rprop xero- xerox xexex xorro xoxox

epopee oooooo peepee peeper peerer pepero pepper perere peroor perore peroxo perper perree perrex pooper poopoo poorer popopo poporo popper poppop pppppp pre-op preore prepex proper propre reeper repope repper roeper roopee rooper xoxoxo

eeeroer orepeer pee-pee peroxo- perrero perrore poo-poo porpere porpore poxoreo prepere prepper pro-rex propero propper xeroxer xxxxxxx

peeppeep pepperer perrerer poorpoor poroporo properer xoxoxoxo

poee-poee

xxxxxxxxxxxx