iiii iiio iiit iioi iioo iiop iitr iitt ioii ioio ioit iooi iooo iori ioto ipop ippo ippr ipri ipto iptv ipur iput iri- irio irip irop irov irri irti irtp itoi itoo itor itou itri itto itup itur iuiu iupp ivor oiii oirt oiti oooo oort ootp opii opio opit opo- opor oppi oppo opti opto ori- orio orit oro- oror orot orpi orri orro orto orup orvr otit oto- otoo otor otov otpp otro otti otto ottu otur ouii ouir ouit oupv our- ouro ourt out- outi outo ouu- ovi- ovo- ovoo ovot ovpp piip piot pipi pipo pipp piri piro pirr piru piti pito pitr pitt pitu pivo poio poop poor poot pop- popi popo popp popt pori poro porr port poti poto pott potu poui poup pour pout povo pppo pppp ppru pptt pptv ppur pri- prii priv pro- proo prop prot prou prov prri prti prtp prtr prut pruu ptop ptui puir puit puiu pupi pupu pur- puri puro purp purr puru put- puti puto putt putu riot riou ripi ripp ripr ript riri riti rito ritt ritu rivo rivp roio roir roit roiu rooi roop roor root ropo rori roro rort roru roti roto rotr rott roup rout rovi rovo rpii rrrr rttp rtvi ruit rupp rupt ruri ruro rurp ruru ruti ruto rutt rutu ruvi ruvu tiit tiiu tiop tiou tip- tipi tipo tipp tipt tipu tiri tiro tirr tiru titi tito titp titt titu tivi tivo toit toor toot top- topi topo topp topt topu topv tori toro torp torr tort toru torv toti toto totr tott toui toup tour tout touv tovo tpir tppp tppr tptp tptr tput tri- trio trip trit troi troo trop trot trou trpp trpv trtr trut truu ttop tttt tuit tuiu tuor tupi tupo tupu turi turo turp turr turt turu tuti tuto tutt tutu tuuo tvri tvro tvrr tvtv u-rp uipi uirr uor- uovo upor uppp uppu upri upto uptv upup uriu uro- uroo urpo urri urup urur urut utor utri utti utto uttu uuri uuuu uvri uvvu viii vipr viri viro virr virt viru viti vito vitt vitu vivi vivo voio voip voir voit voor voot vopt vor- vori voro vort voru voto votp vour vout vpro vrio vrot vrto vt-i vtpr vuir vuit vurp vurt vuti vutv vvvv