ffff ffii ffrr ffun fiff fifi fifm fifo fiii fimo fimr fini finn fino fion fior firm firn fmno fmri fnuf fofo foin fomo fono foof foom foon for- fori form forn foro forr foun four frim frin frio frmn from fron frou frum frun fuff fufu fuir fumi fumo funf fuor fur- furi furm furn furo furr i-no ifim ifni ifno ifnr ifor ifrf ifri iiii iiio iinm iino iioi iioo iium imfi imin imir immi immo imno imof imon imou imri imro imrr imun infi info inni inno innr innu ino- inoi inon inor inou inri inro inui inun ioii ioio iomo ioni ionn iono ioof iooi iooo iori ioun irfm irfu iri- irin irio irmo iron irri irun iuiu iuno mfor mfou mfri miff mifi miii miin miio mim- mimi mimo mini minn mino minu mio- mion miri miro mirr miru miui mmff mmii mmmm mmor mmrf mmun mnin moff mofo mofu moif moii moin moio moir momi momo momu mon- moni monn mono monu moon moor morf mori morn moro moru mouf moun mour mron muff mufi mufu muin muir mumm mumo mumu muni munn muno munu muon muri murn muro murr muru n-ii nfff nfon niff niir niiu nimi nimo nimr nimu nini nino nion nioo niou niro niru niur nmff nmon nmri nnnn nofi noif noin noio noir nom- nomi nomo nomu non- noni nonn nono nonu noo- noon nooo noor nor- norf nori norm norn noro norr noun nour nron nuff nuim nuin numi numm numu nunn nuno nuon nuri nurn nurr nuru off- offo offr offu ofno ofor oiii oion oium omim omin omio omn- omni omo- omoi omon omoo omor omri omro omuo onir onni onno onon onor onur ooff oooo orff orfi orfu ori- orif orin orio ormn ormo orni orno oro- orof orom oron oror orri orro orum ouff ouii ouin ouir oumi oun- our- ourn ouro ouu- riff rifu riif riin rimi rimm rimo rimu rinf rinn rino riom rion riou riri rmif rmon rnin roff rofo roif roin roio roir roiu romi romm romo roni rono roof rooi room roon roor rori roro roru rouf roum roun rrif rrrr rrum rrun ruff rufo ruif ruin rumi rumm rumo runf runi runn runo ruri ruro ruru ruun uirr umff ummo umno umor umri uni- unif unii unin unio unir unmr unni unno unon unrf unro unum uofm uofo uomo uor- urff urfi urif urim urin uriu urmi urni uro- urom uroo urri urum urun urur uuni uuno uuri uuuu