a-a a-t aaa aan aao aar aas aat an- ana ann ano anr ans ant aoa aon aoo aor aos aot ar- ara arn aro arr ars art as- asa asn aso asr ass ast at- ata atn ato atr ats att naa nan nao nar nas nat nna nnn nno nns nnt no- noa non noo nor nos not nra nrn nro nrr nrs nrt nsa nsn nso nsr nss nst nta ntn nto ntr nts ntt oaa oan oao oar oas oat on- ona onn ono onr ons ont oo- ooa oon ooo oor oos oot or- ora orn oro orr ors ort os- osa osn oso osr oss ost ot- ota otn oto otr ots ott ra- raa ran rao rar ras rat rna rnn rno rnr rns rnt roa ron roo ror ros rot rra rrn rrr rrs rrt rsa rsn rso rsr rss rst rta rtn rto rtr rts rtt saa san sao sar sas sat sna snn sno snr sns snt soa son soo sor sos sot sr- sra srn sro srr srs srt ss- ssa ssn sso ssr sss sst sta stn sto str sts stt taa tan tao tar tas tat tna tnn tno tnr tns tnt to- toa ton too tor tos tot tra trn tro trr trs trt tsa tsn tso tsr tss tst tta ttn tto ttr tts ttt