-ic a-a a-c a-i a-t aaa aac aai aan aao aap aas aat ac- aca acc aci acn aco acp acs act ai- aia aic aii ain aio aip ais ait an- ana anc ani ann ano anp ans ant aoa aoc aoi aon aoo aop aos aot ap- apa apc api apn apo app aps apt as- asa asc asi asn aso asp ass ast at- ata atc ati atn ato atp ats att c-- caa cac cai can cao cap cas cat cca ccc cci ccn cco ccp ccs cct ci- cia cic cii cin cio cip cis cit cn- cna cnc cni cnn cno cnp cns cnt co- coa coc coi con coo cop cos cot cpa cpc cpi cpn cpo cpp cps cpt csa csc csi csn cso csp css cst cta ctc cti ctn cto ctp cts ctt ia- iaa iac iai ian iao iap ias iat ica icc ici icn ico icp ics ict iia iic iii iin iio iip iis iit in- ina inc ini inn ino inp ins int io- ioa ioc ioi ion ioo iop ios iot ipa ipc ipi ipn ipo ipp ips ipt is- isa isc isi isn iso isp iss ist ita itc iti itn ito itp its itt n-i naa nac nai nan nao nap nas nat nca ncc nci ncn nco ncp ncs nct nia nic nii nin nio nip nis nit nna nnc nni nnn nno nnp nns nnt no- noa noc noi non noo nop nos not npa npc npi npn npo npp nps npt nsa nsc nsi nsn nso nsp nss nst nta ntc nti ntn nto ntp nts ntt o-i oaa oac oai oan oao oap oas oat oc- oca occ oci ocn oco ocp ocs oct oia oic oii oin oio oip ois oit on- ona onc oni onn ono onp ons ont oo- ooa ooc ooi oon ooo oop oos oot op- opa opc opi opn opo opp ops opt os- osa osc osi osn oso osp oss ost ot- ota otc oti otn oto otp ots ott p-p paa pac pai pan pao pap pas pat pca pcc pci pcn pco pcp pcs pct pia pic pii pin pio pip pis pit pn- pna pnc pni pnn pno pnp pns pnt poa poc poi pon poo pop pos pot ppa ppc ppi ppn ppo ppp pps ppt ps- psa psc psi psn pso psp pss pst pt- pta ptc pti ptn pto ptp pts ptt saa sac sai san sao sap sas sat sca scc sci scn sco scp scs sct sia sic sii sin sio sip sis sit sna snc sni snn sno snp sns snt soa soc soi son soo sop sos sot spa spc spi spn spo spp sps spt ss- ssa ssc ssi ssn sso ssp sss sst sta stc sti stn sto stp sts stt taa tac tai tan tao tap tas tat tca tcc tci tcn tco tcp tcs tct tia tic tii tin tio tip tis tit tna tnc tni tnn tno tnp tns tnt to- toa toc toi ton too top tos tot tpa tpc tpi tpn tpo tpp tps tpt tsa tsc tsi tsn tso tsp tss tst tta ttc tti ttn tto ttp tts ttt