f--k ffff ffii ffrr fiff fifi fifm fifo fiii fiki fimo fimr fior firk firm fmri fofo foki fomo foof fook foom for- fori fork form foro forr frik frim frio from ifim ifor ifrf ifri iiii iiio iioi iioo ikki ikko ikmo ikom ikoo ikri imfi imir immi immo imof imok imri imro imrr ioii ioio ioko iomo ioof iooi iooo iori irfm iri- irio irki irmo irri kfff kffk kffm kfio kfir kfmf kfmi kfmk kfmm kfmo kfmr kfok kfom kfoo kfor kfri kfrm kfro kfrr kiff kifm kifr kiii kiik kikf kiki kikk kiko kikr kimi kimm kimo kioi kiok kioo kirf kiri kirk kiro kirr kkfi kkfm kkfr kkik kkim kkkk kkmi kkmk kkmo kkmr kkoo kkor kkrf kkrk kkro kkrr kmfm kmfr kmkf kmkk kmko kmmf kmmk kmmm kmmo kmmr kmok kmom kmor kmrf kmri kmro kmrr koff kofi kofk kofm kofo koii koir kokf koki kokk koko kokr komi komo komr kooi kook kooo koor korf kori kork koro korr krff krfm krfo krik krim krio krki krkk krko krkr krmo krmr krof kroi krok krom kroo kror krrf krri krrk krrm krro krrr mfor mfri miff mifi mifk miii miio miki mikk miko mim- mimi mimo mio- miri mirk miro mirr mkfm mmff mmii mmmm mmor mmrf moff mofo moif moii moio moir moki moko momi momo mook moor morf mori mork moro mrkr off- offo offr ofik ofor oiii oiko okir okko okmo okok okom okor okro omim omio omo- omoi omoo omor omri omro ooff oooo orff orfi ori- orif orio orko ormo oro- orof orok orom oror orri orro riff riif riki rikk rimi rimm rimo riom riri rkkf rmif roff rofo roif roik roio roir roki rokk roko rokr romi romk romm romo roof rooi rook room roor rori rork roro rrif rrkm rrrr