-hou dddd ddot dhod dhor dhur didi dido didu dihu diii dior diot diou dird dirr dirt dith diti dito ditt dod- dodd dodi dodo dohr doid doit dood door doot dord dori doro dorr dort doru dotd doth doti doto dott doud dour dout drih drit drod droh drot drou drui drut druu dthd dtor dtot dudd dudo dudu duhr duhu duid duir duit duo- duri duro durt duru duur duut h-ii hdod hdri hdtt hhhh hidi hihi hiho hiht hiit hiiu hird hiri hiro hirt hiru hiti hito hitt hodh hodi hodr hoho hoid hoir hoit hood hoor hoot hord hori horo horr hort hotd hoth hoti hoto hotr hott hotu houd hour hout hrid hrit hrod hrud htoh httr hudd hudi hudo hudu huhi huhu huid huir huit huor huot hurd huri huro hurr hurt huru huth huti huto hutt hutu iddo idid idio idir idro iduo ihdr ihit ihrd ihud ihuo iiht iiii iiio iiit iioi iioo iitr iitt iod- iodd iodo ioii ioio ioit iooi iooo iori ioto irdo iri- irid irio irod iroh irri irti itdo itoh itoi itoo itor itou itri itto itur iuiu oddd oddi odio odir odiu odoh odoo odor odot odou odtu odur ohhi ohho ohid ohio ohoh ohto ohtu oido oiii oirt oiti oodi ooho ooid oooh oooo oord oort ordo ordu ori- orid orio orit oro- oror orot orri orro orth orto otho othr otit oto- otoh otoo otor otro otti otto ottu otur oudh ouii ouir ouit our- ouro ourt out- outh outi outo ouu- rdio rhio rhod rhoh ridd ridi rido riho riht riot riou riri rith riti rito ritt ritu rodd rodi rodo rohr rohu roid roio roir roit roiu rood rooi roor root rori roro rort roru roth roti roto rotr rott roud rouh rout rrrr rtdt rudd rudi rudo ruhh ruhi ruhr ruid ruit rurd ruri ruro ruru ruth ruti ruto rutt rutu ruud tdor tdri thdr thi- thio thir thoo thor thot thou thri thro thru thtr thud thur tidd tiht tihu tiit tiiu tiou tird tiri tiro tirr tiru tith titi tito titt titu todd todi todo todt todu tohi toho tohu toid toit tood tooh toor toot tord tori toro torr tort toru totd toth toti toto totr tott touh toui tour tout tri- trio trit trod troi troo trot trou trtr trud trut truu tttt tudi tudu tuht tuhu tuit tuiu tuor turd turi turo turr turt turu tuti tuto tutt tutu tuuo uddi udid udir udoh udoo udot uh-d uhid uhoh uhti uhuh uirr uor- urdu urho uriu uro- uroo urrh urri urth urur urut utid utor utri utti utto uttu uuri uuuu