a-a a-t aaa aan aao aap aar aas aat an- ana ann ano anp anr ans ant aoa aon aoo aop aor aos aot ap- apa apn apo app apr aps apt ar- ara arn aro arp arr ars art as- asa asn aso asp asr ass ast at- ata atn ato atp atr ats att naa nan nao nap nar nas nat nna nnn nno nnp nns nnt no- noa non noo nop nor nos not npa npn npo npp npr nps npt nra nrn nro nrp nrr nrs nrt nsa nsn nso nsp nsr nss nst nta ntn nto ntp ntr nts ntt oaa oan oao oap oar oas oat on- ona onn ono onp onr ons ont oo- ooa oon ooo oop oor oos oot op- opa opn opo opp opr ops opt or- ora orn oro orp orr ors ort os- osa osn oso osp osr oss ost ot- ota otn oto otp otr ots ott p-p paa pan pao pap par pas pat pn- pna pnn pno pnp pnr pns pnt poa pon poo pop por pos pot ppa ppn ppo ppp ppr pps ppt pra prn pro prp prr prs prt ps- psa psn pso psp psr pss pst pt- pta ptn pto ptp ptr pts ptt ra- raa ran rao rap rar ras rat rna rnn rno rnp rnr rns rnt roa ron roo rop ror ros rot rpa rpn rpo rpp rpr rps rpt rra rrn rrp rrr rrs rrt rsa rsn rso rsp rsr rss rst rta rtn rto rtp rtr rts rtt saa san sao sap sar sas sat sna snn sno snp snr sns snt soa son soo sop sor sos sot spa spn spo spp spr sps spt sr- sra srn sro srp srr srs srt ss- ssa ssn sso ssp ssr sss sst sta stn sto stp str sts stt taa tan tao tap tar tas tat tna tnn tno tnp tnr tns tnt to- toa ton too top tor tos tot tpa tpn tpo tpp tpr tps tpt tra trn tro trp trr trs trt tsa tsn tso tsp tsr tss tst tta ttn tto ttp ttr tts ttt