-ic a-a a-c a-i aaa aac aai aan aao aap aar ac- aca acc aci acn aco acp acr ai- aia aic aii ain aio aip air an- ana anc ani ann ano anp anr aoa aoc aoi aon aoo aop aor ap- apa apc api apn apo app apr ar- ara arc ari arn aro arp arr c-- caa cac cai can cao cap car cca ccc cci ccn cco ccp ccr ci- cia cic cii cin cio cip cir cn- cna cnc cni cnn cno cnp cnr co- coa coc coi con coo cop cor cpa cpc cpi cpn cpo cpp cpr cra crc cri crn cro crp crr ia- iaa iac iai ian iao iap iar ica icc ici icn ico icp icr iia iic iii iin iio iip iir in- ina inc ini inn ino inp inr io- ioa ioc ioi ion ioo iop ior ipa ipc ipi ipn ipo ipp ipr ir- ira irc iri irn iro irp irr n-i naa nac nai nan nao nap nar nca ncc nci ncn nco ncp ncr nia nic nii nin nio nip nir nna nnc nni nnn nno nnp no- noa noc noi non noo nop nor npa npc npi npn npo npp npr nra nrc nri nrn nro nrp nrr o-i oaa oac oai oan oao oap oar oc- oca occ oci ocn oco ocp ocr oia oic oii oin oio oip oir on- ona onc oni onn ono onp onr oo- ooa ooc ooi oon ooo oop oor op- opa opc opi opn opo opp opr or- ora orc ori orn oro orp orr p-p paa pac pai pan pao pap par pca pcc pci pcn pco pcp pcr pia pic pii pin pio pip pir pn- pna pnc pni pnn pno pnp pnr poa poc poi pon poo pop por ppa ppc ppi ppn ppo ppp ppr pra prc pri prn pro prp prr ra- raa rac rai ran rao rap rar rca rcc rci rcn rco rcp rcr ria ric rii rin rio rip rir rna rnc rni rnn rno rnp rnr roa roc roi ron roo rop ror rpa rpc rpi rpn rpo rpp rpr rra rrc rri rrn rrp rrr