d-ix dddd dfrf dfri didi dido dif- diff diii dimi dimm dimo dior dird dirr dixi do-x dod- dodd dodi dodo doff doid doix domi domm domo dood doof doom door dord dorf dori dorm doro dorr drif drix drod drof drom dxdr dxfm dxfx dxif dxii dxix dxmf dxmr dxmx dxom dxrd dxrf dxrm dxrr dxrx dxxr dxxx fdom ffff ffii ffrr fidf fido fiff fifi fifm fifo fiii fimo fimr fior firm fixx fmod fmri fofo foid foix fomo food foof foom for- ford fori form foro forr foxx frid frim frio from fxdd iddm iddo idid idio idir idrf idro ifid ifim ifor ifrf ifri iiii iiio iioi iioo imdi imfi imid imir imix immi immo imod imof imri imro imrr iod- iodd iodo ioii ioio iomo ioof iooi iooo iori irdo irfm iri- irid irio irix irmo irod irri ixxi mddm mdfi mdii mdix mdmf mdmx mdxi mfor mfri mid- midi mido miff mifi miii miio mim- mimd mimi mimo mio- mird miri miro mirr mixd mixi mixx mmdf mmdi mmdx mmfd mmff mmii mmix mmmd mmmm mmod mmor mmrf mmxi mmxx modd modi modo modx moff mofo moif moii moio moir momi momo mood moor mord morf mori moro moxi moxo mrdd mrmd mxii mxim mxxi oddd oddi odio odir odmr odom odoo odor ofdr off- offo offr ofid ofor oido oiii omid omim omio omo- omoi omoo omor omox omri omro oodi ooff ooid oooo oord ordo orff orfi ori- orid orif orio orix ormo oro- orof orom oror orri orro oxi- oxid oxim oxo- oxof oxox oxxo rdio rfdi rfid ridd ridi rido ridx riff riif rimi rimm rimo riom riri rixo rmif rmxd rodd rodi rodo roff rofo roid roif roio roir romd romi romm romo rood roof rooi room roor roox rori roro roxo rrif rrrr x-fi xdmf xdmx xdxf xidi xiii xixi xmdf xmdr xmii xoom xoro xoxo xrod xxii xxix xxxi xxxo xxxx