dddd ddot ddpo didi dido didu diii diop dior diot diou dipo dipp dipt dipu dird dirr dirt diti dito ditt dod- dodd dodi dodo doid doit dood doop door doot dopo dopp dopr dopt dord dori doro dorp dorr dort doru dotd doti doto dott doud doup dour dout dpdt drip drit drod drop drot drou drui drup drut druu dtdp dtor dtot dttp dudd dudo dudu duid duir duit duo- dupo duri duro durt duru dutp duur duut iddo idid idio idir idro idtp iduo iiii iiio iiit iioi iioo iiop iitr iitt iod- iodd iodo ioii ioio ioit iooi iooo iori ioto ipdi ipid ipod ipop ippo ippr ipri ipto ipur iput irdo irdp iri- irid irio irip irod irop irri irti irtp itdo itoi itoo itor itou itri itto itup itur iuiu iupp oddd oddi odio odir odiu odoo odop odor odot odou odrp odtu odur oido oiii oirt oiti oodi ooid oooo oord oort ootp opii opio opit opo- opor oppi oppo opti opto ordo ordu ori- orid orio orit oro- oror orot orpi orri orro orto orup otit oto- otoo otor otpp otro otti otto ottu otur ouii ouir ouit our- ouro ourt out- outi outo ouu- pdpr pido piip piot pipi pipo pipp piri piro pirr piru piti pito pitr pitt pitu pod- podd podi podo podu poid poio pood poop poor poot pop- popi popo popp popt pori poro porr port potd poti poto pott potu poud poui poup pour pout ppid ppod pppd pppo pppp ppru pptt ppur pri- prid prii pro- prod proo prop prot prou prpd prrd prri prti prtp prtr prud prut pruu ptop ptpd ptrd ptui pudo pudu puid puir puit puiu pupi pupu pur- puri puro purp purr puru put- puti puto putt putu rdio ridd ridi rido riot riou ripd ripi ripp ripr ript riri riti rito ritt ritu rodd rodi rodo roid roio roir roit roiu rood rooi roop roor root ropo rori roro rort roru roti roto rotr rott roud roup rout rpdp rpii rptd rrrr rtdt rttp rudd rudi rudo rudp ruid ruit rupp rupt rurd ruri ruro rurp ruru ruti ruto rutt rutu ruud tdor tdri tidd tiit tiiu tiop tiou tip- tipi tipo tipp tipt tipu tird tiri tiro tirr tiru titi tito titp titt titu todd todi todo todt todu toid toit tood toor toot top- topd topi topo topp topt topu tord tori toro torp torr tort toru totd toti toto totr tott toui toup tour tout tpdu tpir tppd tppp tppr tptp tptr tput tri- trio trip trit trod troi troo trop trot trou trpp trtr trud trut truu ttop tttt tudi tudu tuit tuiu tuor tupi tupo tupu turd turi turo turp turr turt turu tuti tuto tutt tutu tuuo u-rp uddi udid udir udoo udop udot udpd uipi uirr uor- updo upor uppp uppu upri upto upup urdu uriu uro- uroo urpo urri urup urur urut utid utor utpd utri utti utto uttu uuri uuuu