-er -th a-a a-t aaa aae aaf aah aao aar aat aax aea aee aef aeh aeo aer aet aex af- afa afe aff afh afo afr aft afx aha ahe ahf ahh aho ahr aht ahx aoa aoe aof aoh aoo aor aot aox ar- ara are arf arh aro arr art arx at- ata ate atf ath ato atr att atx ax- axa axe axh axo axr axt axx eaa eae eaf eah eao ear eat eax eea eee eef eeo eer eet eex ef- efa efe eff efh efo efr eft efx eha ehe ehf ehh eho ehr eht eo- eoa eoe eof eoh eoo eor eot era ere erf erh ero err ert eta ete etf eth eto etr ett etx ex- exa exe exh exo exr ext exx faa fae faf fah fao far fat fax fea fee fef feh feo fer fet fex ffa ffe fff ffh ffo ffr fft ffx fha fhe fhf fhh fho fhr foa foe fof foh foo for fot fox fra fre frf frh fro frr frt fta fte ftf fth fto ftr ftt ftx fxe fxr fxt fxx haa hae haf hah hao har hat hax he- hea hee hef heh heo her het hex hfa hfe hff hfh hfo hfr hft hha hhe hhf hhh hho hhr hht hoa hoe hof hoh hoo hor hot hox hr- hra hre hrf hrh hro hrr hrt hta hte htf hth hto htr htt htx oaa oae oaf oah oao oar oat oax oea oee oef oeh oeo oer oet oex of- ofa ofe off ofo ofr oft ofx oha ohe ohf ohh oho ohr oht oo- ooa oof ooh ooo oor oot oox or- ora ore orf orh oro orr ort orx ot- ota ote otf oth oto otr ott ox- oxa oxf oxo oxt oxx ra- raa rae raf rah rao rar rat rax re- rea ree ref reh reo rer ret rex rfa rfe rff rfh rfo rfr rft rh- rha rhe rhf rhh rho rhr rht roa roe rof roh roo ror rot rox rra rrf rrh rrr rrt rta rte rtf rto rtr rtt rtx rxr t-x taa tae taf tah tao tar tat tax te- tea tee tef teh teo ter tet tex tfa tfe tff tfh tfo tfr tft tfx th- tha the thf thh tho thr tht thx to- toa toe tof toh too tor tot tox tra tre trf trh tro trr trt trx tta tte ttf tth tto ttr ttt ttx txe txf txt xaa xaf xar xat xee xer xet xex xfa xfe xfh xft xfx xht xoa xof xoo xor xot xox xrf xrt xrx xtf xtr xtx xxo xxx