iiii ilir ill- illi illp ilpr ipil ippr ipri ipur iri- iril irip irri irul iuiu iupp liii liir lili lill lilu lip- lipi lipl lipp lipu liri lirl lirp lirr liru llll lppl lprp lrpu lrrr luli lull lulu lupi lupu luri luup piip pil- pili pill pilu pipi pipp piri pirl pirr piru plip plpp plri plup plur ppli pppp ppru ppur pri- prii prlr prri pruu puir puiu puli pull pulp pulu pupi pupl pupu pur- puri purl purp purr puru rill rilp rilu ripi ripl ripp ripr riri rpii rrrr rull rupp ruri rurp ruru u-rp uipi uirr ulli ullr ulul uppp uppu upri upup uriu urri urup urur uulu uuri uuuu