a-a a-i a-t aaa aai aan aap aar aas aat aax ai- aia aii ain aip air ais ait aix an- ana ani ann anp anr ans ant anx ap- apa api apn app apr aps apt apx ar- ara ari arn arp arr ars art arx as- asa asi asn asp asr ass ast asx at- ata ati atn atp atr ats att atx ax- axa axi axn axp axr axs axt axx ia- iaa iai ian iap iar ias iat iia iii iin iip iir iis iit iix in- ina ini inn inp inr ins int inx ipa ipi ipn ipp ipr ips ipt ipx ir- ira iri irn irp irr irs irt irx is- isa isi isn isp isr iss ist ita iti itn itp its itt itx ixi ixn n-i naa nai nan nap nar nas nat nax nia nii nin nip nir nis nit nix nna nni nnn nnp nns nnt npa npi npn npp npr nps npt nra nri nrn nrp nrr nrs nrt nrx nsa nsi nsn nsp nsr nss nst nsx nta nti ntn ntp ntr nts ntt ntx nxt p-p paa pai pan pap par pas pat pax pia pii pin pip pir pis pit pix pn- pna pni pnn pnp pnr pns pnt pnx ppa ppi ppn ppp ppr pps ppt ppx pra pri prn prp prr prs prt prx ps- psa psi psn psp psr pss pst psx pt- pta pti ptn ptp ptr pts ptt ptx pxr pxs pxt ra- raa rai ran rap rar ras rat rax ria rii rin rip rir ris rit rix rna rni rnn rnp rnr rns rnt rpa rpi rpn rpp rpr rps rpt rpx rra rri rrn rrp rrr rrs rrt rsa rsi rsn rsp rsr rss rst rsx rta rti rtn rtp rtr rts rtt rtx rxp rxr rxs saa sai san sap sar sas sat sax sia sii sin sip sir sis sit six sna sni snn snp snr sns snt spa spi spn spp spr sps spt spx sr- sra sri srn srp srr srs srt srx ss- ssa ssi ssn ssp ssr sss sst ssx sta sti stn stp str sts stt stx sxi sxn sxs sxt t-x taa tai tan tap tar tas tat tax tia tii tin tip tir tis tit tix tna tni tnn tnp tnr tns tnt tnx tpa tpi tpn tpp tpr tps tpt tpx tra tri trn trp trr trs trt trx tsa tsi tsn tsp tsr tss tst tsx tta tti ttn ttp ttr tts ttt ttx txi txn txs txt xaa xan xap xar xas xat xia xii xin xis xit xix xna xns xpa xpn xpp xps xpt xrt xrx xsa xsi xsp xss xst xti xtp xtr xts xtx xxi xxp xxx