oo- ooo oop oor oos oov op- opo opp opr ops opv or- oro orp orr ors orv os- oso osp osr oss osv ov- ovo ovp ovs ovv p-p poo pop por pos pov ppo ppp ppr pps ppv pro prp prr prs prv ps- pso psp psr pss psv pvo pvp pvr pvs pvv roo rop ror ros rov rpo rpp rpr rps rpv rrp rrr rrs rso rsp rsr rss rsv rvo rvp rvr rvs rvv soo sop sor sos sov spo spp spr sps spv sr- sro srp srr srs srv ss- sso ssp ssr sss ssv svo svp svr svs svv voo vop vor vos vov vpo vpp vpr vps vrp vrr vrs vso vsp vsr vss vsv vvo vvr vvs vvv

oooo ooos oops opo- opor opos oppo opps oro- oror oros orps orro orrs orso orvr orvs osoo osor osos osov osro osso ovo- ovoo ovpp poop poor poos pop- popo popp pops poro porr pors poso poss povo povs ppos pppo pppp ppps ppss pro- proo prop pros prov prps prrs prso prss prsv psos psov pspp pspr psps psrp psso roop roor roos ropo rops roro roso rosp ross rovo rovs rpos rpps rrrr rrsp rsos rspo rsps rsvp rvsp s-os soop soor soos sopo sopp sops soro sorr sors soso soss sosv sovo sovs spoo spop spor spos spps spro sprs spso spsp spss sros srps srsp ssop sspo ssps ssrs ssss ssvp svor voor vor- voro vors voso voss vpro vsop vsrp vvvv

ooooo oovoo opovo oppos oroso ososo ossos ovoos po-po poopo poops poors popop popos popov poppo poro- poros porro povvo proor prop- propp propr props pros- proso pross provo psor- ro-ro roops ropos rosso rosss rprop rrsps rsvps s-o-r so-so sopor soppo soror soros sorso soss- spoor spor- sporo spors sposo sssss v-pop vopos vovos

oooooo oropos osoppo poopoo popopo poporo popovo poppop porpos porvoo povvos pppppp ppsspp proors propos proso- prosso provos psoro- soosoo sopors sopovo sorors sorsor spoors sporo- srprss v-prop voros vvvvvv

poo-poo poopoos poroso- prosop- sorporr sssssss

poorpoor poroporo prosopo- svosov vorovoro

prosvorro