-th eee eek ees eet eex ehe ehh ehi ehs eht eie eii eik eis eit eix eke ekh eki eks ekt es- ese esh esi esk ess est esx ete eth eti etk ets ett etx ex- exe exh exi exs ext exx h-i he- hee heh hei hek hes het hex hhe hhh hhi hhk hhs hht hie hih hii hik his hit hix hkh hki hkk hks hkt hse hsh hsi hsk hss hst hsx hte hth hti htk hts htt htx ie- iee iei iek ies iet iex ihe ihh ihi ihk ihs iht iie iih iii iis iit iix ike iki ikk iks ikt ikx is- ise ish isi isk iss ist ite ith iti itk its itt itx ixe ixi k-t ke- kee keh kei kek kes ket kex khe khh khi khk khs kie kih kii kik kis kit kix kke kkh kki kkk kks kkt kse ksh ksi ksk kss kst kte kth ktk kts ktt se- see seh sei sek ses set sex sh- she shh shi shk shs sht sie sih sii sik sis sit six sk- ske skh ski skk sks skt skx ss- sse ssh ssi ssk sss sst ssx ste sth sti stk sts stt stx sxi sxs sxt t-x te- tee teh tei tek tes tet tex th- the thh thi thk ths tht thx tie tih tii tik tis tit tix tke tkk tks tkt tse tsh tsi tsk tss tst tsx tte tth tti ttk tts ttt ttx txe txi txk txs txt xee xes xet xex xht xie xii xis xit xix xke xks xsi xss xst xti xts xtx xxi xxx