-ic a-a a-c a-i aaa aac aad aai aao aap aar aas ac- aca acc acd aci aco acp acr acs ad- ada adc add adi ado adp adr ads ai- aia aic aid aii aio aip air ais aoa aoc aod aoi aoo aop aor aos ap- apa apc apd api apo app apr aps ar- ara arc ard ari aro arp arr ars as- asa asc asd asi aso asp asr ass c-- caa cac cad cai cao cap car cas cca ccc ccd cci cco ccp ccr ccs cda cdc cdd cdi cdo cdp cdr cds ci- cia cic cid cii cio cip cir cis co- coa coc cod coi coo cop cor cos cpa cpc cpd cpi cpo cpp cpr cps cra crc crd cri cro crp crr crs csa csc csd csi cso csp csr css daa dac dad dai dao dap dar das dca dcc dcd dci dco dcp dcr dcs dda ddc ddd ddi ddo ddp ddr dds di- dia dic did dii dio dip dir dis doa doc dod doi doo dop dor dos dpa dpc dpd dpi dpo dpp dpr dps dra drc drd dri dro drp drr drs dsa dsc dsd dsi dso dsp dsr dss i-d ia- iaa iac iad iai iao iap iar ias ica icc icd ici ico icp icr ics ida idc idd idi ido idp idr ids iia iic iid iii iio iip iir iis io- ioa ioc iod ioi ioo iop ior ios ipa ipc ipd ipi ipo ipp ipr ips ir- ira irc ird iri iro irp irr irs is- isa isc isd isi iso isp isr iss o-i oaa oac oad oai oao oap oar oas oc- oca occ ocd oci oco ocp ocr ocs oda odc odd odi odo odp odr ods oia oic oid oii oio oip oir ois oo- ooa ooc ood ooi ooo oop oor oos op- opa opc opd opi opo opp opr ops or- ora orc ord ori oro orp orr ors os- osa osc osd osi oso osp osr oss p-p paa pac pad pai pao pap par pas pca pcc pcd pci pco pcp pcr pcs pda pdc pdd pdi pdo pdp pdr pds pia pic pid pii pio pip pir pis poa poc pod poi poo pop por pos ppa ppc ppd ppi ppo ppp ppr pps pra prc prd pri pro prp prr prs ps- psa psc psd psi pso psp psr pss ra- raa rac rad rai rao rap rar ras rca rcc rcd rci rco rcp rcr rcs rda rdc rdd rdi rdo rdp rdr rds ria ric rid rii rio rip rir ris roa roc rod roi roo rop ror ros rpa rpc rpd rpi rpo rpp rpr rps rra rrc rrd rri rrp rrr rrs rsa rsc rsd rsi rso rsp rsr rss saa sac sad sai sao sap sar sas sca scc scd sci sco scp scr scs sda sdc sdd sdi sdo sdp sdr sds sia sic sid sii sio sip sir sis soa soc sod soi soo sop sor sos spa spc spd spi spo spp spr sps sr- sra src srd sri sro srp srr srs ss- ssa ssc ssd ssi sso ssp ssr sss