ffff ffii ffrr ffun fiff fifi fifm fiii fimr fini finn finp fipp firm firn fmnp fmri fnuf fpin fprf frim frin frip frmn frum frun fuff fufu fuir fumi funf fur- furi furm furn furr ifim ifni ifnr ifrf ifri iiii iinm iipf iipm iium imfi imin imir immi impf impi impr imri imrr imun imup infi infp inni innr innu inp- inpi inpp inri inui inun inup ipin ipmi ipmp ippf ippr ipri ipur irfm irfu iri- irin irip irri irun iuiu iupp mfri mfrp miff mifi miii miin mim- mimi mimp mini minn minu mipi mipr miri mirr miru miui mmff mmii mmmm mmpi mmpr mmpu mmrf mmrp mmun mnin mpir mpni mppf mppp mprf mpri mprp muff mufi mufu muin muir mumm mump mumu muni munn munu muri murn murr muru n-ii n-up nfff nfip niff niip niir niiu nimi nimp nimr nimu nini nipr niru niur nmff nmfp nmri nnnn nnpi nnpr npif npin npri nprm nrpn nuff nuim nuin numi numm nump numu nunn nuri nurn nurp nurr nuru pfff pffr pfui piff piip pimi pimp pini pinm pinn pinp pinu pipi pipp piri pirn pirr piru pium pmip pmmp pmmu pmpm pnin pnnm pnpp pnup ppif pppn pppp pprf pprm ppru ppur pri- prif prii prim prin prnp prri prrm pruf prum pruu puff puin puir puiu pumi pump punu pupi pupu pur- puri purp purr puru riff rifu riif riin rimi rimm rimu rinf rinn ripi ripp ripr riri rmif rmrp rnin rpii rppn rrif rrmp rrrr rrum rrun ruff ruif ruin rumi rumm rump runf runi runn rupp ruri rurp ruru ruun u-rp ufip uipi uirr umff umri unfp uni- unif unii unin unir unmr unni unrf unum upim upin upnp uppp uppu upri upup urff urfi urif urim urin uriu urmi urni urri urum urun urup urur uuni uuri uuuu