iiii iiio iioi iioo iiop ilio ilir ill- illi illo illp illy iloo ilpr ilxx ioii ioio iolo iooi iooo iopl iori ipil ipix iplo ipop ippo ippr ippy ipri iri- iril irio irip irix iriy irop irri ixil ixxi liii liir lili lill lilo lily lio- lior lip- lipi lipl lipo lipp lipy liri lirl liro lirp lirr liry lixi lixy liyl llll lloo llyr loir loix loli loll lolo loly lool loop loor lopi lopp lori loro lory lox- loxo lppl lprp lroi lrrr lrry lxii lxxi lxxx lyly lyo- lyro lyx- oiii oily oiry oiyl olio olli ollo olly olor olry oolo oooo oory opii opio opo- opor oppi oppo oppy opry ori- oril orio orix orlo orly oro- oror oroy orpi orri orro orry oryx oxi- oxo- oxox oxxo oxy- oxyl oyly oyri piip pil- pili pill pilo pily pipi pipo pipp pipy piri pirl piro pirr piry pixl pixo pixx pixy piyo plio plip ploo plop ploy plpp plri poil poio poix poli poll polo poly pool poop poor pop- popi popo popp popy pori poro porr pory poxy poyo poyr ppli pplo pppo pppp pri- prii prix prlr pro- prol proo prop prox prri pyl- pyli pyll pyo- pypy pyr- pyri pyrl pyro pyry rill rilo rilp rily riol ripi ripl ripp ripr riri rixo rixy riyo roil roio roir roll rolo rolp roly rooi rool roop roor roox ropo ropy rori roro rory roxo roxy royl rpii rpix rrrr ryip xiii xil- xili xill xilp xixi xlii xlix xlox xolo xoro xorp xoxo xoyo xxii xxix xxxi xxxo xxxx xxxy xyl- xylo xyr- yili yill yirr ylli yoix yoli yoll yolo yolp yoly yool yoop yopo yopy yori yoro yory yoyo ypir yrly yyyy