iiii iiit iitr iitt ilir ilit ill- illi illp illt ilpr ilut ipil ippq ippr ipri ipur iput iri- iril irip irql irri irti irtp irul itil itll itri itup itur iuiu iupp liii liir lili lill lilt lilu lip- lipi lipl lipp lipu liri lirl lirp lirr lirt liru liti litl litr litt litu liut llll llqp lppl lprp lrpu lrrr lttr luit luli lull lulu lupi lupu luri lurt luti luup luuq piip pil- pili pill pilt pilu pipi pipp piri pirl pirr piru piti pitr pitt pitu plip plit plpp plri pltt plup plur ppli pppp ppru pptt ppur pri- prii prlr prri prti prtp prtr prut pruu ptql ptui puir puit puiu puli pull pulp pult pulu pupi pupl pupu pur- puri purl purp purr puru put- puti putt putu qiru qqqq qtip quil quip quir quit quli quri quu- rill rilp rilu ripi ripl ripp ripr ript riqq riri riti ritl ritt ritu rpii rrrr rtlt rttp ruit rull rupp rupt ruri rurp ruru ruti rutl rutt rutu tiit tiiu till tilr tilt tip- tipi tipp tipt tipu tiri tirl tirr tiru titi titp titt titu tlli tpir tppp tppr tptp tptr tput tri- tril trip trit trpp trtr trut truu tttt ttul tuil tuit tuiu tuli tull tulp tulu tupi tupu turi turp turr turt turu tuti tutl tutt tutu u-rp uipi uirr ulli ullr ulti ultt ulul uppp uppu upri uptl upup uriu urri urup uruq urur urut util utri utti uttu utuq uulu uuri uuuu