-th a-a a-t aaa aah aan aas aat aax aha ahh ahn ahs aht ahx an- ana anh ann ans ant anx as- asa ash asn ass ast asx at- ata ath atn ats att atx ax- axa axh axn axs axt axx haa hah han has hat hax hha hhh hhn hhs hht hna hnh hnn hns hnt hsa hsh hsn hss hst hsx hta hth htn hts htt htx naa nah nan nas nat nax nha nhh nhn nhs nht nna nnh nnn nns nnt nsa nsh nsn nss nst nsx nta nth ntn nts ntt ntx nxt saa sah san sas sat sax sh- sha shh shn shs sht sna snn sns snt ss- ssa ssh ssn sss sst ssx sta sth stn sts stt stx sxn sxs sxt t-x taa tah tan tas tat tax th- tha thh thn ths tht thx tna tnh tnn tns tnt tnx tsa tsh tsn tss tst tsx tta tth ttn tts ttt ttx txn txs txt xaa xan xas xat xht xna xns xsa xss xst xts xtx xxx