-er -th a-a a-i a-t aaa aae aaf aah aai aar aat aax aea aee aef aeh aei aer aet aex af- afa afe aff afh afi afr aft afx aha ahe ahf ahh ahi ahr aht ahx ai- aia aie aif aih aii air ait aix ar- ara are arf arh ari arr art arx at- ata ate atf ath ati atr att atx ax- axa axe axh axi axr axt axx eaa eae eaf eah eai ear eat eax eea eee eef eer eet eex ef- efa efe eff efh efi efr eft efx eha ehe ehf ehh ehi ehr eht eia eie eif eii eir eit eix era ere erf erh eri err ert eta ete etf eth eti etr ett etx ex- exa exe exh exi exr ext exx faa fae faf fah fai far fat fax fea fee fef feh fei fer fet fex ffa ffe fff ffh ffi ffr fft ffx fha fhe fhf fhh fhi fhr fia fie fif fih fii fir fit fix fra fre frf frh fri frr frt fta fte ftf fth fti ftr ftt ftx fxe fxi fxr fxt fxx h-i haa hae haf hah hai har hat hax he- hea hee hef heh hei her het hex hfa hfe hff hfh hfi hfr hft hha hhe hhf hhh hhi hhr hht hia hie hif hih hii hir hit hix hr- hra hre hrf hrh hri hrr hrt hta hte htf hth hti htr htt htx i-f ia- iaa iae iaf iah iai iar iat ie- iea iee ief iei ier iet iex ifa ife iff ifi ifr ift ifx iha ihe ihf ihh ihi ihr iht iia iie iif iih iii iir iit iix ir- ira ire irf iri irr irt irx ita ite itf ith iti itt itx ixe ixi ra- raa rae raf rah rai rar rat rax re- rea ree ref reh rei rer ret rex rfa rfe rff rfh rfi rfr rft rh- rha rhe rhf rhh rhi rhr rht ria rie rif rih rii rir rit rix rra rrf rrh rri rrr rrt rta rte rtf rti rtr rtt rtx rxr t-x taa tae taf tah tai tar tat tax te- tea tee tef teh tei ter tet tex tfa tfe tff tfh tfi tfr tft tfx th- tha the thf thh thi thr tht thx tia tie tif tih tii tir tit tix tra tre trf trh tri trr trt trx tta tte ttf tth tti ttr ttt ttx txe txf txi txt xaa xaf xar xat xee xer xet xex xfa xfe xfh xft xfx xht xia xie xii xit xix xrf xrt xrx xtf xti xtr xtx xxi xxx