a-a a-i a-t aaa aai aan aao aap aas aat ai- aia aii ain aio aip ais ait an- ana ani ann ano anp ans ant aoa aoi aon aoo aop aos aot ap- apa api apn apo app aps apt as- asa asi asn aso asp ass ast at- ata ati atn ato atp ats att ia- iaa iai ian iao iap ias iat iia iii iin iio iip iis iit in- ina ini inn ino inp ins int io- ioa ioi ion ioo iop ios iot ipa ipi ipn ipo ipp ips ipt is- isa isi isn iso isp iss ist ita iti itn ito itp its itt n-i naa nai nan nao nap nas nat nia nii nin nio nip nis nit nna nni nnn nno nnp nns nnt no- noa noi non noo nop nos not npa npi npn npo npp nps npt nsa nsi nsn nso nsp nss nst nta nti ntn nto ntp nts ntt o-i oaa oai oan oao oap oas oat oia oii oin oio oip ois oit on- ona oni onn ono onp ons ont oo- ooa ooi oon ooo oop oos oot op- opa opi opn opo opp ops opt os- osa osi osn oso osp oss ost ot- ota oti otn oto otp ots ott p-p paa pai pan pao pap pas pat pia pii pin pio pip pis pit pn- pna pni pnn pno pnp pns pnt poa poi pon poo pop pos pot ppa ppi ppn ppo ppp pps ppt ps- psa psi psn pso psp pss pst pt- pta pti ptn pto ptp pts ptt saa sai san sao sap sas sat sia sii sin sio sip sis sit sna sni snn sno snp sns snt soa soi son soo sop sos sot spa spi spn spo spp sps spt ss- ssa ssi ssn sso ssp sss sst sta sti stn sto stp sts stt taa tai tan tao tap tas tat tia tii tin tio tip tis tit tna tni tnn tno tnp tns tnt to- toa toi ton too top tos tot tpa tpi tpn tpo tpp tps tpt tsa tsi tsn tso tsp tss tst tta tti ttn tto ttp tts ttt