-er -ic a-a a-c a-i aaa aac aad aae aag aai aao aap aar aas ac- aca acc acd ace acg aci aco acp acr acs ad- ada adc add ade adg adi ado adp adr ads aea aec aed aee aeg aei aeo aep aer aes ag- aga agc agd age agg agi ago agp agr ags ai- aia aic aid aie aig aii aio aip air ais aoa aoc aod aoe aog aoi aoo aop aor aos ap- apa apc apd ape apg api apo app apr aps ar- ara arc ard are arg ari aro arp arr ars as- asa asc asd ase asg asi aso asp asr ass c-- caa cac cad cae cag cai cao cap car cas cca ccc ccd cce ccg cci cco ccp ccr ccs cda cdc cdd cde cdg cdi cdo cdp cdr cds ce- cea cec ced cee ceg cei ceo cep cer ces cga cgc cgd cge cgg cgi cgo cgp cgr cgs ci- cia cic cid cie cig cii cio cip cir cis co- coa coc cod coe cog coi coo cop cor cos cpa cpc cpd cpe cpg cpi cpo cpp cpr cps cra crc crd cre crg cri cro crp crr crs csa csc csd cse csg csi cso csp csr css daa dac dad dae dag dai dao dap dar das dca dcc dcd dce dcg dci dco dcp dcr dcs dda ddc ddd dde ddg ddi ddo ddp ddr dds de- dea dec ded dee deg dei deo dep der des dga dgc dgd dge dgg dgi dgp dgr dgs di- dia dic did die dig dii dio dip dir dis doa doc dod doe dog doi doo dop dor dos dpa dpc dpd dpe dpg dpi dpo dpp dpr dps dra drc drd dre drg dri dro drp drr drs dsa dsc dsd dse dsg dsi dso dsp dsr dss eaa eac ead eae eag eai eao eap ear eas ec- eca ecc ecd ece ecg eci eco ecr ecs ed- eda edc edd ede edg edi edo edp edr eds eea eec eed eee eeg eeo eep eer ees ega egc egd ege egg egi ego egp egr egs eia eic eid eie eig eii eio eip eir eis eo- eoa eoc eod eoe eog eoi eoo eop eor eos ep- epa epc epd epe epg epi epo epp epr eps era erc erd ere erg eri ero erp err ers es- esa esc esd ese esg esi eso esp esr ess g-d g-p gaa gac gad gae gag gai gao gap gar gas gca gcc gcd gce gcg gci gco gcp gcr gcs gda gdc gdd gde gdi gdo gdp gdr gds ge- gea gec ged gee geg gei geo gep ger ges gga ggc ggd ggg ggi ggo ggp ggr ggs gia gic gid gie gig gii gio gip gir gis goa goc god goe gog goi goo gop gor gos gpa gpc gpd gpe gpg gpi gpo gpp gpr gps gra grc grd gre grg gri gro grp grr grs gsa gsc gsd gse gsg gsi gso gsp gsr gss i-d ia- iaa iac iad iae iag iai iao iap iar ias ica icc icd ice icg ici ico icp icr ics ida idc idd ide idg idi ido idp idr ids ie- iea iec ied iee ieg iei iep ier ies iga igc igd ige igg igi igo igp igr igs iia iic iid iie iii iio iip iir iis io- ioa ioc iod ioe iog ioi ioo iop ior ios ipa ipc ipd ipe ipg ipi ipo ipp ipr ips ir- ira irc ird ire irg iri iro irp irr irs is- isa isc isd ise isg isi iso isp isr iss o-i oaa oac oad oae oag oai oao oap oar oas oc- oca occ ocd ocg oci oco ocp ocr ocs oda odc odd ode odg odi odo odp odr ods oea oec oed oee oeg oei oeo oep oer oes oga ogc ogd oge ogg ogi ogo ogp ogs oia oic oid oie oii oio oip oir ois oo- ooa ooc ood oog ooi ooo oop oor oos op- opa opc opd ope opg opi opo opp opr ops or- ora orc ord ore org ori oro orp orr ors os- osa osc osd ose osg osi oso osp osr oss p-p paa pac pad pae pag pai pao pap par pas pca pcc pcd pce pcg pci pco pcp pcr pcs pda pdc pdd pde pdg pdi pdo pdp pdr pds pea pec ped pee peg pei peo pep per pes pga pgc pgd pge pgg pgi pgo pgp pgr pgs pia pic pid pie pig pii pio pip pir pis poa poc pod poe pog poi poo pop por pos ppa ppc ppd ppe ppg ppi ppo ppp ppr pps pra prc prd pre prg pri pro prp prr prs ps- psa psc psd pse psg psi pso psp psr pss ra- raa rac rad rae rag rai rao rap rar ras rca rcc rcd rce rcg rci rco rcp rcr rcs rda rdc rdd rde rdg rdi rdo rdp rdr rds re- rea rec red ree reg rei reo rep rer res rga rgc rgd rge rgg rgi rgo rgp rgr rgs ria ric rid rie rig rii rio rip rir ris roa roc rod roe rog roi roo rop ror ros rpa rpc rpd rpe rpg rpi rpo rpp rpr rps rra rrc rrd rrg rri rrp rrr rrs rsa rsc rsd rse rsg rsi rso rsp rsr rss saa sac sad sae sag sai sao sap sar sas sca scc scd sce scg sci sco scp scr scs sda sdc sdd sde sdg sdi sdo sdp sdr sds se- sea sec sed see seg sei seo sep ser ses sga sgc sgd sge sgg sgi sgo sgp sgr sgs sia sic sid sie sig sii sio sip sir sis soa soc sod soe sog soi soo sop sor sos