-ic a-a a-c a-i aaa aac aad aai aan aao aap ac- aca acc acd aci acn aco acp ad- ada adc add adi adn ado adp ai- aia aic aid aii ain aio aip an- ana anc and ani ann ano anp aoa aoc aod aoi aon aoo aop ap- apa apc apd api apn apo app c-- caa cac cad cai can cao cap cca ccc ccd cci ccn cco ccp cda cdc cdd cdi cdn cdo cdp ci- cia cic cid cii cin cio cip cn- cna cnc cnd cni cnn cno cnp co- coa coc cod coi con coo cop cpa cpc cpd cpi cpn cpo cpp daa dac dad dai dan dao dap dca dcc dcd dci dcn dco dcp dda ddc ddd ddi ddn ddo ddp di- dia dic did dii din dio dip dna dnc dnd dni dnn dno dnp doa doc dod doi don doo dop dpa dpc dpd dpi dpn dpo dpp i-d ia- iaa iac iad iai ian iao iap ica icc icd ici icn ico icp ida idc idd idi idn ido idp iia iic iid iii iin iio iip in- ina inc ind ini inn ino inp io- ioa ioc iod ioi ion ioo iop ipa ipc ipd ipi ipn ipo ipp n-i naa nac nad nai nan nao nap nca ncc ncd nci ncn nco ncp nda ndc ndd ndi ndn ndo ndp nia nic nid nii nin nio nip nna nnc nni nnn nno nnp no- noa noc nod noi non noo nop npa npc npd npi npn npo npp o-i oaa oac oad oai oan oao oap oc- oca occ ocd oci ocn oco ocp oda odc odd odi odn odo odp oia oic oid oii oin oio oip on- ona onc ond oni onn ono onp oo- ooa ooc ood ooi oon ooo oop op- opa opc opd opi opn opo opp p-p paa pac pad pai pan pao pap pca pcc pcd pci pcn pco pcp pda pdc pdd pdi pdn pdo pdp pia pic pid pii pin pio pip pn- pna pnc pnd pni pnn pno pnp poa poc pod poi pon poo pop ppa ppc ppd ppi ppn ppo ppp