fff ffo ffp ffr ffs fof foo fop for fos fpo fpp fpr fps frf fro frp frr frs fsf fso fsp fsr fss of- off ofo ofp ofr ofs oo- oof ooo oop oor oos op- opf opo opp opr ops or- orf oro orp orr ors os- osf oso osp osr oss p-p pff pfo pfp pfr pfs pof poo pop por pos ppf ppo ppp ppr pps prf pro prp prr prs ps- psf pso psp psr pss rff rfo rfp rfr rfs rof roo rop ror ros rpf rpo rpp rpr rps rrf rrp rrr rrs rsf rso rsp rsr rss sff sfo sfp sfr sfs sof soo sop sor sos spf spo spp spr sps sr- srf sro srp srr srs ss- ssf sso ssp ssr sss

ffff ffps ffrr ffss fofo foof foos fopp fops for- foro forr fors foso foss fprf frop fros frps frso fsfo fspf fssf fssp off- offo offr offs ofor ooff oofs oooo ooos oops opo- opor opos oppo opps orff orfs oro- orof oror oros orps orro orrs orso osoo osor osos osro osso pfff pffr pfps poff poof poop poor poos pop- popo popp pops poro porr pors poso poss ppos pppo pppp ppps pprf ppsf ppss prfs pro- prof proo prop pros prps prrs prso prss psfs psos pspp pspr psps psrp psso roff rofo roof roop roor roos ropo rops roro roso rosp ross rpof rpos rpps rrrr rrsp rsos rspo rsps s-os sfor sfos sfro sfss sofo soof soop soor soos sopo sopp sops soro sorr sors soso soss spfs spoo spop spor spos sppf spps spro sprs spso spsp spss sros srps srsp ssfp ssop sspf sspo ssps ssrs sssf ssss

fofos fopos foros forro forso forss froop offof ofpop ooooo oppos orfor oroso ososo ossos pforp po-po poofs poopo poops poors popop popos poppo poro- poros porro posof proff profs proof proor prop- propp propr props pros- proso pross psor- ro-ro rofor roofs roops ropos rosso rosss rprop rrsps rsssf s-o-r so-so sopor soppo soror soros sorso soss- spoof spoor spor- sporo spors sposo sroof sssss

foofoo forros fosso fossor ofpoor oooooo oropos osoppo poopoo popfor popoff popopo poporo poppop porpos pppppp ppsspp profor profos proofs proors propos proso- prosso psoro- rofors soosoo sopors sorors sorsor spoofs spoors sporo- srprss sssfrs

foo-foo fossors off-off ofproof poo-poo poopoos pop-off popoffs popsoff poroso- prosop- sorfors sorporr sssssss

poorpoor poroporo proprofs prosopo-

proof-proof