fff ffi ffm ffn ffo ffp ffr fft fif fii fim fin fip fir fit fmf fmi fmm fmn fmo fmp fmr fmt fnf fni fnm fnn fnp fnr fnt fof foi fom fon foo fop for fot fpi fpm fpn fpo fpp fpr fpt frf fri frm frn fro frp frr frt ftf fti ftm ftn fto ftp ftr ftt i-f iff ifi ifm ifn ifo ifp ifr ift iif iii iim iin iio iip iir iit im- imf imi imm imn imo imp imt in- inf ini inm inn ino inp inr int io- iof ioi iom ion ioo iop ior iot ipf ipi ipm ipn ipo ipp ipr ipt ir- irf iri irm irn iro irp irr irt itf iti itm itn ito itp itt m-f m-o m-r mff mfi mfm mfn mfo mfp mfr mft mi- mif mii mim min mio mip mir mit mmf mmi mmm mmn mmo mmp mmr mmt mnf mni mnm mnn mno mnp mnr mnt mof moi mom mon moo mop mor mot mpf mpi mpm mpn mpo mpp mpr mpt mrf mri mrm mrn mro mrp mrr mrt mtf mti mtm mtn mto mtp mtr mtt n-i nff nfi nfn nfo nfp nfr nft nif nii nim nin nio nip nir nit nmi nmm nmn nmo nmp nmr nmt nnf nni nnm nnn nno nnp nnt no- nof noi nom non noo nop nor not npf npi npm npn npo npp npr npt nrf nri nrm nrn nro nrp nrr nrt ntf nti ntm ntn nto ntp ntr ntt o-i of- off ofi ofm ofn ofo ofp ofr oft oif oii oim oin oio oip oir oit om- omf omi omm omn omo omp omr omt on- onf oni onn ono onp onr ont oo- oof ooi oom oon ooo oop oor oot op- opf opi opm opn opo opp opr opt or- orf ori orm orn oro orp orr ort ot- otf oti otm otn oto otp otr ott p-p pff pfi pfm pfn pfo pfp pfr pft pif pii pim pin pio pip pir pit pmf pmi pmm pmn pmo pmp pmr pmt pn- pnf pni pnm pnn pno pnp pnr pnt pof poi pom pon poo pop por pot ppf ppi ppm ppn ppo ppp ppr ppt prf pri prm prn pro prp prr prt pt- ptf pti ptm ptn pto ptp ptr ptt rff rfi rfm rfn rfo rfp rfr rft rif rii rim rin rio rip rir rit rmf rmi rmm rmn rmo rmp rmr rmt rni rnm rnn rno rnp rnr rnt rof roi rom ron roo rop ror rot rpf rpi rpm rpn rpo rpp rpr rpt rrf rri rrm rrn rrp rrr rrt rtf rti rtm rtn rto rtp rtr rtt tff tfi tfm tfn tfo tfp tfr tft tif tii tim tin tio tip tir tit tmf tmi tmm tmn tmo tmp tmr tmt tnf tni tnm tnn tno tnp tnr tnt to- tof toi tom ton too top tor tot tpf tpi tpm tpn tpo tpp tpr tpt trf tri trm trn tro trp trr trt ttf tti ttm ttn tto ttp ttr ttt