fff ffg ffi ffn ffo ffp ffs fft ffx fgf fgg fgi fgn fgp fgs fgt fif fig fii fin fip fis fit fix fnf fng fni fnn fnp fns fnt fnx fof fog foi fon foo fop fos fot fox fpg fpi fpn fpo fpp fps fpt fpx fsf fsg fsi fsn fso fsp fss fst fsx ftf ftg fti ftn fto ftp fts ftt ftx fxg fxi fxp fxs fxt fxx g-p gff gfi gfo gfp gfs gft gfx ggg ggi ggn ggo ggp ggs ggt gif gig gii gin gio gip gis git gnf gni gnn gno gnp gns gnt gof gog goi gon goo gop gos got gox gpf gpg gpi gpn gpo gpp gps gpt gpx gsf gsg gsi gsn gso gsp gss gst gsx gtf gtg gti gtn gto gtp gts gtt gtx gxf gxp gxs gxt i-f iff ifg ifi ifn ifo ifp ifs ift ifx igf igg igi ign igo igp igs igt iif iii iin iio iip iis iit iix in- inf ing ini inn ino inp ins int inx io- iof iog ioi ion ioo iop ios iot ipf ipg ipi ipn ipo ipp ips ipt ipx is- isf isg isi isn iso isp iss ist itf itg iti itn ito itp its itt itx ixi ixn n-i nff nfi nfn nfo nfp nfs nft ngf ngg ngi ngn ngo ngp ngs ngt nif nig nii nin nio nip nis nit nix nnf nng nni nnn nno nnp nns nnt no- nof nog noi non noo nop nos not nox npf npg npi npn npo npp nps npt nsf nsg nsi nsn nso nsp nss nst nsx ntf ntg nti ntn nto ntp nts ntt ntx nxt o-i of- off ofg ofi ofn ofo ofp ofs oft ofx ogf ogg ogi ogn ogo ogp ogs ogt ogx oif oii oin oio oip ois oit on- onf ong oni onn ono onp ons ont onx oo- oof oog ooi oon ooo oop oos oot oox op- opf opg opi opn opo opp ops opt opx os- osf osg osi osn oso osp oss ost osx ot- otf otg oti otn oto otp ots ott ox- oxf oxi oxn oxo oxt oxx p-p pff pfg pfi pfn pfo pfp pfs pft pfx pgf pgg pgi pgn pgo pgp pgs pgt pif pig pii pin pio pip pis pit pix pn- pnf png pni pnn pno pnp pns pnt pnx pof pog poi pon poo pop pos pot pox ppf ppg ppi ppn ppo ppp pps ppt ppx ps- psf psg psi psn pso psp pss pst psx pt- ptf ptg pti ptn pto ptp pts ptt ptx pxg pxs pxt sff sfg sfi sfn sfo sfp sfs sft sfx sgf sgg sgi sgn sgo sgp sgs sgt sgx sif sig sii sin sio sip sis sit six snf sng sni snn sno snp sns snt sof sog soi son soo sop sos sot sox spf spg spi spn spo spp sps spt spx ss- ssf ssg ssi ssn sso ssp sss sst ssx stf stg sti stn sto stp sts stt stx sxi sxn sxs sxt t-x tff tfg tfi tfn tfo tfp tfs tft tfx tgf tgg tgi tgn tgo tgp tgs tgt tif tig tii tin tio tip tis tit tix tnf tng tni tnn tno tnp tns tnt tnx to- tof tog toi ton too top tos tot tox tpf tpg tpi tpn tpo tpp tps tpt tpx tsf tsg tsi tsn tso tsp tss tst tsx ttf ttg tti ttn tto ttp tts ttt ttx txf txi txn txs txt xfn xfs xft xfx xgi xgp xii xin xio xis xit xix xno xns xof xog xoi xon xoo xop xos xot xox xpf xpg xpn xpo xpp xps xpt xsi xsp xss xst xtf xti xtp xts xtx xxi xxo xxp xxx