oo- ooo oop oor oot oov op- opo opp opr opt opv or- oro orp orr ort orv ot- oto otp otr ott otv ov- ovo ovp ovv p-p poo pop por pot pov ppo ppp ppr ppt ppv pro prp prr prt prv pt- pto ptp ptr ptt ptv pvo pvp pvr pvt pvv roo rop ror rot rov rpo rpp rpr rpt rpv rrp rrr rrt rto rtp rtr rtt rtv rvo rvp rvr rvt rvv to- too top tor tot tov tpo tpp tpr tpt tpv tro trp trr trt trv tto ttp ttr ttt ttv tvo tvp tvr tvt voo vop vor vot vov vpo vpp vpr vpt vrp vrr vrt vto vtr vtt vtv vvo vvr vvt vvv

oooo oort ootp opo- opor oppo opto oro- oror orot orro orto orvr oto- otoo otor otov otpp otro otto ovo- ovoo ovot ovpp poop poor poot pop- popo popp popt poro porr port poto pott povo pppo pppp pptt pptv pro- proo prop prot prov prtp prtr ptop roop roor root ropo roro rort roto rotr rott rovo rrrr rttp toor toot top- topo topp topt topv toro torp torr tort torv toto totr tott tovo tppp tppr tptp tptr troo trop trot trpp trpv trtr ttop tttt tvro tvrr tvtv voor voot vopt vor- voro vort voto votp vpro vrot vrto vtpr vvvv

ooooo oovoo opovo opto- optot optto ortoo ototo otpor otrov ottov po-po poopo poort popop popov poppo poro- porro porto potoo potop potor potro potto povvo proor proot prop- propp propr propt prot- proto provo prtor ptpro ptprr ptprt ro-ro roto- rotor rotot rotto rprop rptor rttov t-pop t-top topo- topor topot toppo topto torpo torro torto toto- totoo totop tprot troop trop- tropo trott trovo ttttt v-pop votto

oooooo oporto optoro ottoor poopoo popopo poporo popovo poppop poptop porvoo pottop pppppp proto- tootoo toppop tororo torovo torpor tortor totopo totoro totrot tropo- troppo trotro v-prop vorort vvvvvv

ottrott poo-poo pop-top potoroo proport rootrot too-too toporov tototoo tro-tro

poorpoor poroporo potvorov ropotovo toottoot top-root torotoro vorovoro

poto-poto proprotor

protopopov

potoooooooo

toptoptoptop