-er -th eee eef eeg eeo eer eet eex ef- efe eff efg efh efi efo efr eft efx ege egf egg egh egi ego egr egt egx ehe ehf ehg ehh ehi eho ehr eht eie eif eig eii eio eir eit eix eo- eoe eof eog eoh eoi eoo eor eot ere erf erg erh eri ero err ert ete etf etg eth eti eto etr ett etx ex- exe exh exi exo exr ext exx fee fef feg feh fei feo fer fet fex ffe fff ffg ffh ffi ffo ffr fft ffx fge fgf fgg fgh fgi fgr fgt fhe fhf fhg fhh fhi fho fhr fie fif fig fih fii fir fit fix foe fof fog foh foi foo for fot fox fre frf frg frh fri fro frr frt fte ftf ftg fth fti fto ftr ftt ftx fxe fxg fxi fxr fxt fxx ge- gee gef geg geh gei geo ger get gex gfe gff gfh gfi gfo gfr gft gfx ggg ggh ggi ggo ggr ggt ghe ghg ghh ghi gho ghr ght gie gif gig gih gii gio gir git goe gof gog goh goi goo gor got gox gre grf grg grh gri gro grr grt grx gte gtf gtg gth gti gto gtr gtt gtx gxf gxt h-i he- hee hef heg heh hei heo her het hex hfe hff hfg hfh hfi hfo hfr hft hge hgf hgg hgh hgi hgo hgr hgt hhe hhf hhg hhh hhi hho hhr hht hie hif hig hih hii hio hir hit hix hoe hof hog hoh hoi hoo hor hot hox hr- hre hrf hrg hrh hri hro hrr hrt hte htf htg hth hti hto htr htt htx i-f ie- iee ief ieg iei ier iet iex ife iff ifg ifi ifo ifr ift ifx ige igf igg igh igi igo igr igt ihe ihf ihg ihh ihi iho ihr iht iie iif iih iii iio iir iit iix io- ioe iof iog ioh ioi ioo ior iot ir- ire irf irg iri iro irr irt irx ite itf itg ith iti ito itt itx ixe ixi o-i oee oef oeg oeh oei oeo oer oet oex of- ofe off ofg ofi ofo ofr oft ofx oge ogf ogg ogh ogi ogo ogt ogx ohe ohf ohg ohh ohi oho ohr oht oie oif oii oio oir oit oo- oof oog ooh ooi ooo oor oot oox or- ore orf org orh ori oro orr ort orx ot- ote otf otg oth oti oto otr ott ox- oxf oxi oxo oxt oxx re- ree ref reg reh rei reo rer ret rex rfe rff rfg rfh rfi rfo rfr rft rge rgf rgg rgh rgi rgo rgr rgt rgx rh- rhe rhf rhg rhh rhi rho rhr rht rie rif rig rih rii rio rir rit rix roe rof rog roh roi roo ror rot rox rrf rrg rrh rri rrr rrt rte rtf rtg rti rto rtr rtt rtx rxr t-x te- tee tef teg teh tei teo ter tet tex tfe tff tfg tfh tfi tfo tfr tft tfx tge tgf tgg tgh tgi tgo tgr tgt th- the thf thg thh thi tho thr tht thx tie tif tig tih tii tio tir tit tix to- toe tof tog toh toi too tor tot tox tre trf trg trh tri tro trr trt trx tte ttf ttg tth tti tto ttr ttt ttx txe txf txi txt xee xeg xer xet xex xfe xfh xft xfx xge xgi xht xie xii xio xit xix xof xog xoi xoo xor xot xox xrf xrt xrx xtf xti xtr xtx xxi xxo xxx