fff ffi ffm ffn ffr ffs ffu fif fii fim fin fir fis fiu fmf fmi fmm fmn fmr fms fmu fnf fni fnm fnn fnr fns fnu frf fri frm frn frr frs fru fsf fsi fsm fsn fsr fss fsu fuf fui fum fun fur fus fuu i-f iff ifi ifm ifn ifr ifs ifu iif iii iim iin iir iis iiu im- imf imi imm imn ims imu in- inf ini inm inn inr ins inu ir- irf iri irm irn irr irs iru is- isf isi ism isn isr iss isu iu- iui ium iur ius m-f m-r mff mfi mfm mfn mfr mfs mfu mi- mif mii mim min mir mis miu mmf mmi mmm mmn mmr mms mmu mnf mni mnm mnn mnr mns mnu mrf mri mrm mrn mrr mrs mru msf msi msm msn msr mss msu muf mui mum mun mur mus muu n-i nff nfi nfn nfr nfs nfu nif nii nim nin nir nis niu nmi nmm nmn nmr nms nmu nnf nni nnm nnn nns nnu nrf nri nrm nrn nrr nrs nru nsf nsi nsm nsn nsr nss nsu nui num nun nur nus nuu rff rfi rfm rfn rfr rfs rfu rif rii rim rin rir ris rmf rmi rmm rmn rmr rms rni rnm rnn rnr rns rnu rrf rri rrm rrn rrr rrs rru rsf rsi rsm rsn rsr rss rsu ruf rui rum run rur rus ruu sff sfi sfm sfn sfr sfs sfu sif sii sim sin sir sis siu smf smi smm smn smr sms smu snf sni snm snn snr sns snu sr- srf sri srm srn srr srs ss- ssf ssi ssm ssn ssr sss ssu suf sui sum sun sur sus suu uff ufi ufm ufn ufr ufs ufu uif uii uim uin uir uis uiu um- umf umi umm umn umr ums umu un- unf uni unm unn unr uns unu ur- urf uri urm urn urr urs uru usf usi usm usn usr uss usu uum uun uur uus uuu