a-a a-i a-t aaa aai aan aar aas aat ai- aia aii ain air ais ait an- ana ani ann anr ans ant ar- ara ari arn arr ars art as- asa asi asn asr ass ast at- ata ati atn atr ats att ia- iaa iai ian iar ias iat iia iii iin iir iis iit in- ina ini inn inr ins int ir- ira iri irn irr irs irt is- isa isi isn isr iss ist ita iti itn its itt n-i naa nai nan nar nas nat nia nii nin nir nis nit nna nni nnn nns nnt nra nri nrn nrr nrs nrt nsa nsi nsn nsr nss nst nta nti ntn ntr nts ntt ra- raa rai ran rar ras rat ria rii rin rir ris rit rna rni rnn rnr rns rnt rra rri rrn rrr rrs rrt rsa rsi rsn rsr rss rst rta rti rtn rtr rts rtt saa sai san sar sas sat sia sii sin sir sis sit sna sni snn snr sns snt sr- sra sri srn srr srs srt ss- ssa ssi ssn ssr sss sst sta sti stn str sts stt taa tai tan tar tas tat tia tii tin tir tis tit tna tni tnn tnr tns tnt tra tri trn trr trs trt tsa tsi tsn tsr tss tst tta tti ttn ttr tts ttt