-ic a-a a-c a-i aaa aac aad aai aan aao aap aas ac- aca acc acd aci acn aco acp acs ad- ada adc add adi adn ado adp ads ai- aia aic aid aii ain aio aip ais an- ana anc and ani ann ano anp ans aoa aoc aod aoi aon aoo aop aos ap- apa apc apd api apn apo app aps as- asa asc asd asi asn aso asp ass c-- caa cac cad cai can cao cap cas cca ccc ccd cci ccn cco ccp ccs cda cdc cdd cdi cdn cdo cdp cds ci- cia cic cid cii cin cio cip cis cn- cna cnc cnd cni cnn cno cnp cns co- coa coc cod coi con coo cop cos cpa cpc cpd cpi cpn cpo cpp cps csa csc csd csi csn cso csp css daa dac dad dai dan dao dap das dca dcc dcd dci dcn dco dcp dcs dda ddc ddd ddi ddn ddo ddp dds di- dia dic did dii din dio dip dis dna dnc dnd dni dnn dno dnp dns doa doc dod doi don doo dop dos dpa dpc dpd dpi dpn dpo dpp dps dsa dsc dsd dsi dsn dso dsp dss i-d ia- iaa iac iad iai ian iao iap ias ica icc icd ici icn ico icp ics ida idc idd idi idn ido idp ids iia iic iid iii iin iio iip iis in- ina inc ind ini inn ino inp ins io- ioa ioc iod ioi ion ioo iop ios ipa ipc ipd ipi ipn ipo ipp ips is- isa isc isd isi isn iso isp iss n-i naa nac nad nai nan nao nap nas nca ncc ncd nci ncn nco ncp ncs nda ndc ndd ndi ndn ndo ndp nds nia nic nid nii nin nio nip nis nna nnc nni nnn nno nnp nns no- noa noc nod noi non noo nop nos npa npc npd npi npn npo npp nps nsa nsc nsd nsi nsn nso nsp nss o-i oaa oac oad oai oan oao oap oas oc- oca occ ocd oci ocn oco ocp ocs oda odc odd odi odn odo odp ods oia oic oid oii oin oio oip ois on- ona onc ond oni onn ono onp ons oo- ooa ooc ood ooi oon ooo oop oos op- opa opc opd opi opn opo opp ops os- osa osc osd osi osn oso osp oss p-p paa pac pad pai pan pao pap pas pca pcc pcd pci pcn pco pcp pcs pda pdc pdd pdi pdn pdo pdp pds pia pic pid pii pin pio pip pis pn- pna pnc pnd pni pnn pno pnp pns poa poc pod poi pon poo pop pos ppa ppc ppd ppi ppn ppo ppp pps ps- psa psc psd psi psn pso psp pss saa sac sad sai san sao sap sas sca scc scd sci scn sco scp scs sda sdc sdd sdi sdn sdo sdp sds sia sic sid sii sin sio sip sis sna snc snd sni snn sno snp sns soa soc sod soi son soo sop sos spa spc spd spi spn spo spp sps ss- ssa ssc ssd ssi ssn sso ssp sss