-ic a-a a-c a-i aaa aac aad aai aan aao aap aar aas ac- aca acc acd aci acn aco acp acr acs ad- ada adc add adi adn ado adp adr ads ai- aia aic aid aii ain aio aip air ais an- ana anc and ani ann ano anp anr ans aoa aoc aod aoi aon aoo aop aor aos ap- apa apc apd api apn apo app apr aps ar- ara arc ard ari arn aro arp arr ars as- asa asc asd asi asn aso asp asr ass c-- caa cac cad cai can cao cap car cas cca ccc ccd cci ccn cco ccp ccr ccs cda cdc cdd cdi cdn cdo cdp cdr cds ci- cia cic cid cii cin cio cip cir cis cn- cna cnc cnd cni cnn cno cnp cnr cns co- coa coc cod coi con coo cop cor cos cpa cpc cpd cpi cpn cpo cpp cpr cps cra crc crd cri crn cro crp crr crs csa csc csd csi csn cso csp csr css daa dac dad dai dan dao dap dar das dca dcc dcd dci dcn dco dcp dcr dcs dda ddc ddd ddi ddn ddo ddp ddr dds di- dia dic did dii din dio dip dir dis dna dnc dnd dni dnn dno dnp dnr dns doa doc dod doi don doo dop dor dos dpa dpc dpd dpi dpn dpo dpp dpr dps dra drc drd dri drn dro drp drr drs dsa dsc dsd dsi dsn dso dsp dsr dss i-d ia- iaa iac iad iai ian iao iap iar ias ica icc icd ici icn ico icp icr ics ida idc idd idi idn ido idp idr ids iia iic iid iii iin iio iip iir iis in- ina inc ind ini inn ino inp inr ins io- ioa ioc iod ioi ion ioo iop ior ios ipa ipc ipd ipi ipn ipo ipp ipr ips ir- ira irc ird iri irn iro irp irr irs is- isa isc isd isi isn iso isp isr iss n-i naa nac nad nai nan nao nap nar nas nca ncc ncd nci ncn nco ncp ncr ncs nda ndc ndd ndi ndn ndo ndp ndr nds nia nic nid nii nin nio nip nir nis nna nnc nni nnn nno nnp nns no- noa noc nod noi non noo nop nor nos npa npc npd npi npn npo npp npr nps nra nrc nrd nri nrn nro nrp nrr nrs nsa nsc nsd nsi nsn nso nsp nsr nss o-i oaa oac oad oai oan oao oap oar oas oc- oca occ ocd oci ocn oco ocp ocr ocs oda odc odd odi odn odo odp odr ods oia oic oid oii oin oio oip oir ois on- ona onc ond oni onn ono onp onr ons oo- ooa ooc ood ooi oon ooo oop oor oos op- opa opc opd opi opn opo opp opr ops or- ora orc ord ori orn oro orp orr ors os- osa osc osd osi osn oso osp osr oss p-p paa pac pad pai pan pao pap par pas pca pcc pcd pci pcn pco pcp pcr pcs pda pdc pdd pdi pdn pdo pdp pdr pds pia pic pid pii pin pio pip pir pis pn- pna pnc pnd pni pnn pno pnp pnr pns poa poc pod poi pon poo pop por pos ppa ppc ppd ppi ppn ppo ppp ppr pps pra prc prd pri prn pro prp prr prs ps- psa psc psd psi psn pso psp psr pss ra- raa rac rad rai ran rao rap rar ras rca rcc rcd rci rcn rco rcp rcr rcs rda rdc rdd rdi rdn rdo rdp rdr rds ria ric rid rii rin rio rip rir ris rna rnc rnd rni rnn rno rnp rnr rns roa roc rod roi ron roo rop ror ros rpa rpc rpd rpi rpn rpo rpp rpr rps rra rrc rrd rri rrn rrp rrr rrs rsa rsc rsd rsi rsn rso rsp rsr rss saa sac sad sai san sao sap sar sas sca scc scd sci scn sco scp scr scs sda sdc sdd sdi sdn sdo sdp sdr sds sia sic sid sii sin sio sip sir sis sna snc snd sni snn sno snp snr sns soa soc sod soi son soo sop sor sos spa spc spd spi spn spo spp spr sps sr- sra src srd sri srn sro srp srr srs ss- ssa ssc ssd ssi ssn sso ssp ssr sss