-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aao aap aar aas aat ac- aca acc acd ace acg aci aco acp acr acs act ad- ada adc add ade adg adi ado adp adr ads adt aea aec aed aee aeg aei aeo aep aer aes aet ag- aga agc agd age agg agi ago agp agr ags agt ai- aia aic aid aie aig aii aio aip air ais ait aoa aoc aod aoe aog aoi aoo aop aor aos aot ap- apa apc apd ape apg api apo app apr aps apt ar- ara arc ard are arg ari aro arp arr ars art as- asa asc asd ase asg asi aso asp asr ass ast at- ata atc atd ate atg ati ato atp atr ats att c-- caa cac cad cae cag cai cao cap car cas cat cca ccc ccd cce ccg cci cco ccp ccr ccs cct cda cdc cdd cde cdg cdi cdo cdp cdr cds cdt ce- cea cec ced cee ceg cei ceo cep cer ces cet cga cgc cgd cge cgg cgi cgo cgp cgr cgs cgt ci- cia cic cid cie cig cii cio cip cir cis cit co- coa coc cod coe cog coi coo cop cor cos cot cpa cpc cpd cpe cpg cpi cpo cpp cpr cps cpt cra crc crd cre crg cri cro crp crr crs crt csa csc csd cse csg csi cso csp csr css cst cta ctc ctd cte ctg cti cto ctp ctr cts ctt daa dac dad dae dag dai dao dap dar das dat dca dcc dcd dce dcg dci dco dcp dcr dcs dct dda ddc ddd dde ddg ddi ddo ddp ddr dds ddt de- dea dec ded dee deg dei deo dep der des det dga dgc dgd dge dgg dgi dgp dgr dgs dgt di- dia dic did die dig dii dio dip dir dis dit doa doc dod doe dog doi doo dop dor dos dot dpa dpc dpd dpe dpg dpi dpo dpp dpr dps dpt dra drc drd dre drg dri dro drp drr drs drt dsa dsc dsd dse dsg dsi dso dsp dsr dss dst dta dtc dtd dte dtg dti dto dtp dtr dts dtt eaa eac ead eae eag eai eao eap ear eas eat ec- eca ecc ecd ece ecg eci eco ecr ecs ect ed- eda edc edd ede edg edi edo edp edr eds edt eea eec eed eee eeg eeo eep eer ees eet ega egc egd ege egg egi ego egp egr egs egt eia eic eid eie eig eii eio eip eir eis eit eo- eoa eoc eod eoe eog eoi eoo eop eor eos eot ep- epa epc epd epe epg epi epo epp epr eps ept era erc erd ere erg eri ero erp err ers ert es- esa esc esd ese esg esi eso esp esr ess est eta etc etd ete etg eti eto etp etr ets ett g-d g-p gaa gac gad gae gag gai gao gap gar gas gat gca gcc gcd gce gcg gci gco gcp gcr gcs gct gda gdc gdd gde gdi gdo gdp gdr gds gdt ge- gea gec ged gee geg gei geo gep ger ges get gga ggc ggd ggg ggi ggo ggp ggr ggs ggt gia gic gid gie gig gii gio gip gir gis git goa goc god goe gog goi goo gop gor gos got gpa gpc gpd gpe gpg gpi gpo gpp gpr gps gpt gra grc grd gre grg gri gro grp grr grs grt gsa gsc gsd gse gsg gsi gso gsp gsr gss gst gta gtc gtd gte gtg gti gto gtp gtr gts gtt i-d ia- iaa iac iad iae iag iai iao iap iar ias iat ica icc icd ice icg ici ico icp icr ics ict ida idc idd ide idg idi ido idp idr ids idt ie- iea iec ied iee ieg iei iep ier ies iet iga igc igd ige igg igi igo igp igr igs igt iia iic iid iie iii iio iip iir iis iit io- ioa ioc iod ioe iog ioi ioo iop ior ios iot ipa ipc ipd ipe ipg ipi ipo ipp ipr ips ipt ir- ira irc ird ire irg iri iro irp irr irs irt is- isa isc isd ise isg isi iso isp isr iss ist ita itc itd ite itg iti ito itp its itt o-i oaa oac oad oae oag oai oao oap oar oas oat oc- oca occ ocd ocg oci oco ocp ocr ocs oct oda odc odd ode odg odi odo odp odr ods odt oea oec oed oee oeg oei oeo oep oer oes oet oga ogc ogd oge ogg ogi ogo ogp ogs ogt oia oic oid oie oii oio oip oir ois oit oo- ooa ooc ood oog ooi ooo oop oor oos oot op- opa opc opd ope opg opi opo opp opr ops opt or- ora orc ord ore org ori oro orp orr ors ort os- osa osc osd ose osg osi oso osp osr oss ost ot- ota otc otd ote otg oti oto otp otr ots ott p-p paa pac pad pae pag pai pao pap par pas pat pca pcc pcd pce pcg pci pco pcp pcr pcs pct pda pdc pdd pde pdg pdi pdo pdp pdr pds pdt pea pec ped pee peg pei peo pep per pes pet pga pgc pgd pge pgg pgi pgo pgp pgr pgs pgt pia pic pid pie pig pii pio pip pir pis pit poa poc pod poe pog poi poo pop por pos pot ppa ppc ppd ppe ppg ppi ppo ppp ppr pps ppt pra prc prd pre prg pri pro prp prr prs prt ps- psa psc psd pse psg psi pso psp psr pss pst pt- pta ptc ptd pte ptg pti pto ptp ptr pts ptt