fff ffi ffm ffn ffo ffr fft fif fii fim fin fir fit fmf fmi fmm fmn fmo fmr fmt fnf fni fnm fnn fnr fnt fof foi fom fon foo for fot frf fri frm frn fro frr frt ftf fti ftm ftn fto ftr ftt i-f iff ifi ifm ifn ifo ifr ift iif iii iim iin iio iir iit im- imf imi imm imn imo imt in- inf ini inm inn ino inr int io- iof ioi iom ion ioo ior iot ir- irf iri irm irn iro irr irt itf iti itm itn ito itt m-f m-o m-r mff mfi mfm mfn mfo mfr mft mi- mif mii mim min mio mir mit mmf mmi mmm mmn mmo mmr mmt mnf mni mnm mnn mno mnr mnt mof moi mom mon moo mor mot mrf mri mrm mrn mro mrr mrt mtf mti mtm mtn mto mtr mtt n-i nff nfi nfn nfo nfr nft nif nii nim nin nio nir nit nmi nmm nmn nmo nmr nmt nnf nni nnm nnn nno nnt no- nof noi nom non noo nor not nrf nri nrm nrn nro nrr nrt ntf nti ntm ntn nto ntr ntt o-i of- off ofi ofm ofn ofo ofr oft oif oii oim oin oio oir oit om- omf omi omm omn omo omr omt on- onf oni onn ono onr ont oo- oof ooi oom oon ooo oor oot or- orf ori orm orn oro orr ort ot- otf oti otm otn oto otr ott rff rfi rfm rfn rfo rfr rft rif rii rim rin rio rir rit rmf rmi rmm rmn rmo rmr rmt rni rnm rnn rno rnr rnt rof roi rom ron roo ror rot rrf rri rrm rrn rrr rrt rtf rti rtm rtn rto rtr rtt tff tfi tfm tfn tfo tfr tft tif tii tim tin tio tir tit tmf tmi tmm tmn tmo tmr tmt tnf tni tnm tnn tno tnr tnt to- tof toi tom ton too tor tot trf tri trm trn tro trr trt ttf tti ttm ttn tto ttr ttt