srn sro srp srr srs srt srx ss- ssa sse ssh ssi ssn sso ssp ssr sss sst ssx sta ste sth sti stn sto stp str sts stt stx sxi sxn sxs sxt t-x taa tae tah tai tan tao tap tar tas tat tax te- tea tee teh tei ten teo tep ter tes tet tex th- tha the thh thi thn tho thp thr ths tht thx tia tie tih tii tin tio tip tir tis tit tix tna tne tnh tni tnn tno tnp tnr tns tnt tnx to- toa toe toh toi ton too top tor tos tot tox tpa tpe tph tpi tpn tpo tpp tpr tps tpt tpx tra tre trh tri trn tro trp trr trs trt trx tsa tse tsh tsi tsn tso tsp tsr tss tst tsx tta tte tth tti ttn tto ttp ttr tts ttt ttx txe txi txn txs txt xaa xan xap xar xas xat xee xen xep xer xes xet xex xhp xht xia xie xii xin xio xis xit xix xna xno xns xoa xoi xon xoo xop xor xos xot xox xpa xpe xpn xpo xpp xps xpt xrt xrx xsa xsi xsp xss xst xti xtp xtr xts xtx xxi xxo xxp xxx