dddd ddpo dfrf dfri didi dido dif- diff diii dimi dimm dimo dimp diop dior dipo dipp dird dirr dmop dod- dodd dodi dodo doff doid domi domm domo domp dood doof doom doop door dopo dopp dopr dord dorf dori dorm doro dorp dorr dpmi dpmo drif drip drod drof drom drop fdom ffff ffii ffrr fidf fido fiff fifi fifm fifo fiii fimo fimr fior fipp firm fmod fmri fofo foid fomo fomp food foof foom fopp for- ford fori form foro forr fprf frid frim frio frip from frop frpd iddm iddo idfp idid idio idir idrf idro ifid ifim ifor ifpo ifrf ifri iiii iiio iioi iioo iiop iipf iipm imdi imfi imid imir immi immo imod imof impf impi impr imri imro imrr iod- iodd iodo ioii ioio iomo ioof iooi iooo iori ipdi ipid ipmi ipmp ipod ipop ippf ippo ippr ipri irdo irdp irfm iri- irid irio irip irmo irod irop irri mddm mdfi mdii mdmf mdmp mdop mdpi mdpp mfdp mfor mfri mfrp mid- midi mido miff mifi miii miio mim- mimd mimi mimo mimp mio- mipi mipr mird miri miro mirr mmdf mmdi mmfd mmff mmii mmmd mmmm mmod mmor mmpi mmpr mmrf mmrp modd modi modo moff mofo moif moii moio moir momi momo mood moop moor mopp mord morf mori moro mpio mpir mppf mppp mprf mpri mpro mprp mrdd mrmd oddd oddi odio odir odmr odom odoo odop odor odrp ofdr off- offo offr ofid ofor oido oiii omid omim omio omo- omoi omoo omor omri omro oodi ooff ooid oooo oord opii opio opo- opor oppi oppo ordo orff orfi ori- orid orif orio ormo oro- orof orom oror orpi orri orro pdmi pdpr pfff pffr pido piff piip pimi pimp pipi pipo pipp piri piro pirr pmip pmmp pmoi pmpm pmpo pod- podd podi podo poff pofi poid poio pomi pomo pomp pood poof poop poor pop- popi popo popp pori poro porr ppid ppif ppod pppd pppo pppp pprf pprm pri- prid prif prii prim pro- prod prof prom proo prop prpd prrd prri prrm rdio rfdi rfid ridd ridi rido riff riif rimi rimm rimo riom ripd ripi ripp ripr riri rmif rmrp rodd rodi rodo roff rofo roid roif roio roir romd romi romm romo romp rood roof rooi room roop roor ropo rori roro rpdp rpii rpof rrif rrmp rrrr