fff ffk ffo ffp ffr ffs fkf fkk fkp fof fok foo fop for fos fpk fpo fpp fpr fps frf frk fro frp frr frs fsf fsk fso fsp fsr fss kff kfo kfs kkk kkp kkr kks kof kok koo kop kor kos kpf kpk kpo kpp kpr kps krf krk kro krp krr krs ksf ksk kso ksp ksr kss of- off ofo ofp ofr ofs okk oko okp okr oks oo- oof ook ooo oop oor oos op- opf opk opo opp opr ops or- orf ork oro orp orr ors os- osf osk oso osp osr oss p-p pff pfk pfo pfp pfr pfs pkf pko pkp pkr pks pof pok poo pop por pos ppf ppk ppo ppp ppr pps prf prk pro prp prr prs ps- psf psk pso psp psr pss rff rfk rfo rfp rfr rfs rkf rkk rko rkp rks rof rok roo rop ror ros rpf rpk rpo rpp rpr rps rrf rrk rrp rrr rrs rsf rsk rso rsp rsr rss sff sfk sfo sfp sfr sfs sk- skf skk sko skp skr sks sof sok soo sop sor sos spf spk spo spp spr sps sr- srf srk sro srp srr srs ss- ssf ssk sso ssp ssr sss

f--k ffff ffps ffrr ffss fofo foof fook foos fopp fops for- fork foro forr fors foso foss fprf frop fros frps frso fsfo fspf fssf fssp k-os kfff kffk kfok kfoo kfor kfpr kfro kfrp kfrr kfrs kfsk kfsp kfsr kkfr kkfs kkkk kkoo kkor kkpk kkps kkrf kkrk kkro kkrr kkrs kksf kksp kksr kkss koff kofk kofo kofp kokf kokk koko kokp kokr koks kook kooo koop koor koos kopf kopp kopr kops korf kork koro korr kors kos- kosf koso kosp kosr koss kpfk kpfr kpkk kpkr kpof kpok kpoo kpop kppk kppo kppp kppr kprf kprk kpro kprp kprr kprs kpsf kpso kpsp krff krfo krfp krfs krkk krko krkr krks krof krok kroo krop kror kros krpr krps krrf krrk krro krrr krrs krsf krsk krsr krss ksfo ksfr kskf kskk ksko kskr ksks ksof ksok ksoo ksop ksor ksos kspk kspo kspr ksps ksrf ksro ksrp ksrr ksrs ksso kssr ksss off- offo offr offs ofor okko okok okor okpo okro okso ooff oofs oooo ooos oops opo- opor opos oppo opps orff orfs orko oro- orof orok oror oros orps orro orrs orsk orso osoo osor osos osro osso pfff pffr pfkp pfps poff poko poof pook poop poor poos pop- popo popp pops pork poro porr pors posk poso poss ppos pppo pppp ppps pprf ppsf ppss prfs pro- prof proo prop pros prps prrs prso prss psfk psfs psos pspp pspr psps psrk psrp psso rkkf rkos rkss roff rofo rokk roko rokr roks roof rook roop roor roos ropo rops rork roro roso rosp ross rpof rpos rpps rrrr rrsp rsos rspk rspo rsps s-os sfor sfos sfro sfss skop skor skpo skss sofo sokk soko soof sook soop soor soos sopo sopp sops soro sorr sors soso soss spfs spkr spok spoo spop spor spos sppf spps spro sprs spso spsp spss sros srps srsp ssfp ssop sspf sspo ssps ssrs sssf ssss

fofos fooks fopos forks foros forro forso forss froop frosk k-p-r k-pop ko-ko koffs kokko kokor kokos kooks koops kopff kopps korff korop koror koros korpo korps korro korso kosor kosso kroos kropp kross krsko offof ofpop okoro ooooo oppos orfor oroso osfok ososo ossos pforp po-po poofs poopo poops poork poors popop popos poppo porks poro- poros porro posof proff profs proof proor prop- propp propr props pros- proso pross psor- ro-ro rofor rokkk rokos roofs rooks roops ropos rosko rosso rosss rprop rrsps rsssf s-k-o s-o-r skoff skoko skopo skors so-so sokos sooks sopor soppo sorok soror soros sorsk sorso soss- spoof spook spoor spor- spork sporo spors sposo sroof sssss

foofoo forros fosso fossor kokopo kokoro kookoo koopoo korfos korkor kororo kossos krokos ofpoor ofspor okpoko oksoko ookroo oooooo oropos osoppo pookoo poopoo popfor popoff popopo poporo poppop popsko porpos pppppp ppsspp profor profos prokop proofs proors propos proso- prosso psoro- rofors rokkor skopos skorpo sokopf sokoro soosoo sopors soroko sorors sorsor spoofs spooks spoors sporks sporo- sporok srprss sssfrs

foo-foo forsook fossors kor-kor korkoro korosko kos-kos kossoff off-off ofproof poo-poo pookoos poopoos pop-off popoffs popsoff poroso- prosop- roskopf sorfors sorporr sssssss

poorpoor poroporo proprofs prosopo-

kooskoosoo

proof-proof