ffff ffii ffrr fiff fifi fifm fifo fiii fimo fimr fini finn fino fion fior firm firn fmno fmri fofo foin fomo fono foof foom foon for- fori form forn foro forr frim frin frio frmn from fron i-no ifim ifni ifno ifnr ifor ifrf ifri iiii iiio iinm iino iioi iioo imfi imin imir immi immo imno imof imon imri imro imrr infi info inni inno innr ino- inoi inon inor inri inro ioii ioio iomo ioni ionn iono ioof iooi iooo iori irfm iri- irin irio irmo iron irri mfor mfri miff mifi miii miin miio mim- mimi mimo mini minn mino mio- mion miri miro mirr mmff mmii mmmm mmor mmrf mnin moff mofo moif moii moin moio moir momi momo mon- moni monn mono moon moor morf mori morn moro mron n-ii nfff nfon niff niir nimi nimo nimr nini nino nion nioo niro nmff nmon nmri nnnn nofi noif noin noio noir nom- nomi nomo non- noni nonn nono noo- noon nooo noor nor- norf nori norm norn noro norr nron off- offo offr ofno ofor oiii oion omim omin omio omn- omni omo- omoi omon omoo omor omri omro onir onni onno onon onor ooff oooo orff orfi ori- orif orin orio ormn ormo orni orno oro- orof orom oron oror orri orro riff riif riin rimi rimm rimo rinf rinn rino riom rion riri rmif rmon rnin roff rofo roif roin roio roir romi romm romo roni rono roof rooi room roon roor rori roro rrif rrrr