iiii iiio iioi iioo iiop ilio ilir ill- illi illo illp iloo ilpr ioii ioio iolo iooi iooo iopl iori ipil iplo ipop ippo ippr ipri ipur iri- iril irio irip irop irri irul iuiu iupp izzo liii liir lili lill lilo lilu lio- lior lip- lipi lipl lipo lipp lipu liri lirl liro lirp lirr liru lizi lizl llll lloo loir loiu loli loll lolo lolz lool loop loor looz lopi lopp lopu lori loro loui loul loup lour louu lozi lppl lprp lroi lrpu lrrr luiz luli lull lulu lulz lupi lupo lupu luri lurz luup luzi lzip lzop oiii olio olli ollo olor olur oolo oooo oozi opii opio opo- opor oppi oppo ori- oril orio orlo orlu oro- oror oroz orpi orri orro orup orzo orzu ouii ouir oulu our- ouro ouu- ouzo ozil ozlu piip pil- pili pill pilo pilu pilz pioz pipi pipo pipp piri pirl piro pirr piru plio plip ploo plop plou plpp plri plup plur poil poio poli poll polo polu pool poop poor pop- popi popo popp pori poro porr porz poui poul poup pour pozo ppli pplo pppo pppp ppru ppur pri- prii prlr pro- prol proo prop prou proz prri pruu puir puiu puli pull pulo pulp pulu pupi pupl pupu pur- puri purl puro purp purr puru puzi puzo pzzl rill rilo rilp rilu riol riou rioz ripi ripl ripp ripr riri rizi rizu rizz roil roio roir roiu roiz roll rolo rolp rooi rool roop roor rooz ropo rori roro roru roul roup rouz rozi rozz rpii rrrr ruiz rull rulo rupp ruri ruro rurp ruru ruzi rzip u-rp uipi uirr ulli ullo ullr ulo- ulul uor- uplo upor uppp uppu upri upup uriu uro- urol uroo urpo urri urup urur uruz uulu uuri uuuu uzzi z-ro ziip zill zilo zipp ziri ziro zirp zizi zizz zoio zoli zoll zolo zoo- zool zoop zopl zori zoro zozo zozu zull zulu zulz zuoz zurr zuru zuul zuzu zzzz