iiii iiio iioi iioo iiop ilio ilir ill- illi illo illp iloo ilpr iluv ioii ioio iolo iooi iooo iopl iori ipil iplo ipop ippo ippr ipri ipur iri- iril irio irip irop irov irri irul iuiu iupp ivor liii liir liiv lili lill lilo lilu lio- lior lip- lipi lipl lipo lipp lipu liri lirl liro lirp lirr liru livi livo llll lloo lo-v loir loiu loli loll lolo lool loop loor lopi lopp lopu lori loro loui loul loup lour louu lovo lppl lprp lroi lrpu lrrr luli lull lulu lupi lupo lupu luri lurv luup lvii lviv lvov lvrr oiii olio olli ollo olor olov olur olvi oolo oooo opii opio opo- opor oppi oppo ori- oril orio orlo orlu oro- oror orpi orri orro orup orvr ouii ouir oulu oupv our- ouro ouu- ovi- ovil ovo- ovol ovoo ovpp piip pil- pili pill pilo pilu pipi pipo pipp piri pirl piro pirr piru pivo plio plip ploo plop plou plov plpp plri plup plur plvi poil poio poli poll polo polu pool poop poor pop- popi popo popp pori poro porr poui poul poup pour povl povo ppli pplo pppo pppp ppru ppur pri- prii priv prlr pro- prol proo prop prou prov prri pruu puir puiu puli pull pulo pulp pulu pulv pupi pupl pupu pur- puri purl puro purp purr puru pvlv rill rilo rilp rilu riol riou ripi ripl ripp ripr riri rivo rivp roil roio roir roiu roll rolo rolp rooi rool roop roor ropo rori roro roru roul roup rovi rovo rpii rrrr rull rulo rupp ruri ruro rurp ruru ruvi ruvu u-rp uipi uirr ulli ullo ullr ulo- ulul ulvi uor- uovo uplo upor uppp uppu upri upup uriu uro- urol uroo urpo urri urup urur uulu uuri uuuu uvri uvvu viii vili vill vilu viol vipr viri virl viro virr viru vivi vivo vlli voil voio voip voir voli voll volo volp vool voor vor- vori voro voru voul vour vplp vpro vril vrio vuir vull vurp vvvv