-ic a-a a-c a-i aaa aac aai aan aao aap aas ac- aca acc aci acn aco acp acs ai- aia aic aii ain aio aip ais an- ana anc ani ann ano anp ans aoa aoc aoi aon aoo aop aos ap- apa apc api apn apo app aps as- asa asc asi asn aso asp ass c-- caa cac cai can cao cap cas cca ccc cci ccn cco ccp ccs ci- cia cic cii cin cio cip cis cn- cna cnc cni cnn cno cnp cns co- coa coc coi con coo cop cos cpa cpc cpi cpn cpo cpp cps csa csc csi csn cso csp css ia- iaa iac iai ian iao iap ias ica icc ici icn ico icp ics iia iic iii iin iio iip iis in- ina inc ini inn ino inp ins io- ioa ioc ioi ion ioo iop ios ipa ipc ipi ipn ipo ipp ips is- isa isc isi isn iso isp iss n-i naa nac nai nan nao nap nas nca ncc nci ncn nco ncp ncs nia nic nii nin nio nip nis nna nnc nni nnn nno nnp nns no- noa noc noi non noo nop nos npa npc npi npn npo npp nps nsa nsc nsi nsn nso nsp nss o-i oaa oac oai oan oao oap oas oc- oca occ oci ocn oco ocp ocs oia oic oii oin oio oip ois on- ona onc oni onn ono onp ons oo- ooa ooc ooi oon ooo oop oos op- opa opc opi opn opo opp ops os- osa osc osi osn oso osp oss p-p paa pac pai pan pao pap pas pca pcc pci pcn pco pcp pcs pia pic pii pin pio pip pis pn- pna pnc pni pnn pno pnp pns poa poc poi pon poo pop pos ppa ppc ppi ppn ppo ppp pps ps- psa psc psi psn pso psp pss saa sac sai san sao sap sas sca scc sci scn sco scp scs sia sic sii sin sio sip sis sna snc sni snn sno snp sns soa soc soi son soo sop sos spa spc spi spn spo spp sps ss- ssa ssc ssi ssn sso ssp sss