-ic a-a a-c a-i aaa aac aad aae aaf aai aao aap aas ac- aca acc acd ace acf aci aco acp acs ad- ada adc add ade adf adi ado adp ads aea aec aed aee aef aei aeo aep aes af- afa afc afd afe aff afi afo afp afs ai- aia aic aid aie aif aii aio aip ais aoa aoc aod aoe aof aoi aoo aop aos ap- apa apc apd ape apf api apo app aps as- asa asc asd ase asf asi aso asp ass c-- caa cac cad cae caf cai cao cap cas cca ccc ccd cce ccf cci cco ccp ccs cda cdc cdd cde cdf cdi cdo cdp cds ce- cea cec ced cee cef cei ceo cep ces cfa cfc cfd cfe cff cfi cfo cfp cfs ci- cia cic cid cie cif cii cio cip cis co- coa coc cod coe cof coi coo cop cos cpa cpc cpd cpe cpf cpi cpo cpp cps csa csc csd cse csf csi cso csp css daa dac dad dae daf dai dao dap das dca dcc dcd dce dcf dci dco dcp dcs dda ddc ddd dde ddf ddi ddo ddp dds de- dea dec ded dee def dei deo dep des dfa dfc dfd dfe dff dfi dfo dfp dfs di- dia dic did die dif dii dio dip dis doa doc dod doe dof doi doo dop dos dpa dpc dpd dpe dpf dpi dpo dpp dps dsa dsc dsd dse dsf dsi dso dsp dss eaa eac ead eae eaf eai eao eap eas ec- eca ecc ecd ece ecf eci eco ecs ed- eda edc edd ede edf edi edo edp eds eea eec eed eee eef eeo eep ees ef- efa efc efd efe eff efi efo efp efs eia eic eid eie eif eii eio eip eis eo- eoa eoc eod eoe eof eoi eoo eop eos ep- epa epc epd epe epf epi epo epp eps es- esa esc esd ese esf esi eso esp ess faa fac fad fae faf fai fao fap fas fca fcc fcd fce fcf fci fco fcp fcs fda fdc fdd fde fdf fdi fdo fdp fds fea fec fed fee fef fei feo fep fes ffa ffc ffd ffe fff ffi ffo ffp ffs fia fic fid fie fif fii fip fis foa foc foe fof foi foo fop fos fpa fpc fpd fpe fpi fpo fpp fps fsa fsc fsd fse fsf fsi fso fsp fss i-d i-f ia- iaa iac iad iae iaf iai iao iap ias ica icc icd ice icf ici ico icp ics ida idc idd ide idf idi ido idp ids ie- iea iec ied iee ief iei iep ies ifa ifc ifd ife iff ifi ifo ifp ifs iia iic iid iie iif iii iio iip iis io- ioa ioc iod ioe iof ioi ioo iop ios ipa ipc ipd ipe ipf ipi ipo ipp ips is- isa isc isd ise isf isi iso isp iss o-i oaa oac oad oae oaf oai oao oap oas oc- oca occ ocd ocf oci oco ocp ocs oda odc odd ode odf odi odo odp ods oea oec oed oee oef oei oeo oep oes of- ofa ofc ofd ofe off ofi ofo ofp ofs oia oic oid oie oif oii oio oip ois oo- ooa ooc ood oof ooi ooo oop oos op- opa opc opd ope opf opi opo opp ops os- osa osc osd ose osf osi oso osp oss p-p paa pac pad pae paf pai pao pap pas pca pcc pcd pce pcf pci pco pcp pcs pda pdc pdd pde pdf pdi pdo pdp pds pea pec ped pee pef pei peo pep pes pfa pfc pfd pfe pff pfi pfo pfp pfs pia pic pid pie pif pii pio pip pis poa poc pod poe pof poi poo pop pos ppa ppc ppd ppe ppf ppi ppo ppp pps ps- psa psc psd pse psf psi pso psp pss saa sac sad sae saf sai sao sap sas sca scc scd sce scf sci sco scp scs sda sdc sdd sde sdf sdi sdo sdp sds se- sea sec sed see sef sei seo sep ses sfa sfc sfd sfe sff sfi sfo sfp sfs sia sic sid sie sif sii sio sip sis soa soc sod soe sof soi soo sop sos spa spc spd spe spf spi spo spp sps ss- ssa ssc ssd sse ssf ssi sso ssp sss