dddd didi didu digg digi diii dili dill dipl dipp dipu dird dirl dirr dlii dlil dlrg dpll dprg dril drip drug drui drup druu dudd dudu dugu duid duil duir duli dull dulu durg duri duru duul duur gggg gidd gidi gidl gigg gigi gild gilg gili gill gipi gipp gird girg giri girl girr giru giur gli- glid glip glpi glug glui glur gpgp gpip gprd gprp grid grig gril grip grrl grrr grug grui grur gudi gudu gugg gugi gugu guid guil guld guli gull gulp gulu gurd gurg guri gurl gurr guru idid idig idil idir idli igil igli iglu igri iiii ilir ill- illd illi illp ilpr ilud ipdi ipid ipil ippr ipri ipur irdp iri- irid irig iril irip irri irul iuiu iupp lddp lidl ligg ligi liig liii liir lilg lili lill lilu lip- lipi lipl lipp lipu lird lirg liri lirl lirp lirr liru lldp llll llud lppl lprp lrdd lrdg lrpu lrrr ludd ludi lugg lugi lugu luli lull lulu lupi lupu lurd lurg luri luup pdpr pgpu pgup pigg pigp pigu piip pil- pild pili pill pilu pipi pipp pirg piri pirl pirr piru plid plig plip plpp plri plud plug plup plur ppgi ppid ppig ppli pppd pppp ppru ppur pri- prid prig prii prlr prpd prrd prri prud pruu pudu pugu puid puig puir puiu puli pull pulp pulu pupi pupl pupu pur- purg puri purl purp purr puru ridd ridi rigg rigi rigu rill rilp rilu ripd ripi ripl ripp ripr riri rlug rpdp rpii rrrr rudd rudi rudl rudp rugg rugi ruid rull rupp rurd ruri rurp ruru ruud u-rp uddi udid udig udir udpd ugli ugri ugur uguu uipi uirr ulli ullr ulul uppp uppu upri upup urdu urgi urgu uriu urri urup urur uulu uuri uuuu