-er -ic a-a a-c a-i a-t aaa aac aad aae aag aai aao aar aas aat aav ac- aca acc acd ace acg aci aco acr acs act acv ad- ada adc add ade adg adi ado adr ads adt adv aea aec aed aee aeg aei aeo aer aes aet aev ag- aga agc agd age agg agi ago agr ags agt agv ai- aia aic aid aie aig aii aio air ais ait aiv aoa aoc aod aoe aog aoi aoo aor aos aot aov ar- ara arc ard are arg ari aro arr ars art arv as- asa asc asd ase asg asi aso asr ass ast asv at- ata atc atd ate atg ati ato atr ats att atv av- ava avc avd ave avg avi avo avr avs avt c-- caa cac cad cae cag cai cao car cas cat cav cca ccc ccd cce ccg cci cco ccr ccs cct ccv cda cdc cdd cde cdg cdi cdo cdr cds cdt cdv ce- cea cec ced cee ceg cei ceo cer ces cet cev cga cgc cgd cge cgg cgi cgo cgr cgs cgt cgv ci- cia cic cid cie cig cii cio cir cis cit civ co- coa coc cod coe cog coi coo cor cos cot cov cra crc crd cre crg cri cro crr crs crt crv csa csc csd cse csg csi cso csr css cst csv cta ctc ctd cte ctg cti cto ctr cts ctt ctv cva cvc cvd cve cvg cvi cvo cvr cvs cvt cvv daa dac dad dae dag dai dao dar das dat dav dca dcc dcd dce dcg dci dco dcr dcs dct dcv dda ddc ddd dde ddg ddi ddo ddr dds ddt de- dea dec ded dee deg dei deo der des det dev dga dgc dgd dge dgg dgi dgr dgs dgt di- dia dic did die dig dii dio dir dis dit div doa doc dod doe dog doi doo dor dos dot dov dra drc drd dre drg dri dro drr drs drt drv dsa dsc dsd dse dsg dsi dso dsr dss dst dsv dta dtc dtd dte dtg dti dto dtr dts dtt dtv dva dvc dvd dve dvg dvi dvr dvs dvt eaa eac ead eae eag eai eao ear eas eat eav ec- eca ecc ecd ece ecg eci eco ecr ecs ect ecv ed- eda edc edd ede edg edi edo edr eds edt eea eec eed eee eeg eeo eer ees eet eev ega egc egd ege egg egi ego egr egs egt eia eic eid eie eig eii eio eir eis eit eiv eo- eoa eoc eod eoe eog eoi eoo eor eos eot era erc erd ere erg eri ero err ers ert erv es- esa esc esd ese esg esi eso esr ess est esv eta etc etd ete etg eti eto etr ets ett etv eva evc evd eve evg evi evo evr evs evt evv g-d gaa gac gad gae gag gai gao gar gas gat gav gca gcc gcd gce gcg gci gco gcr gcs gct gda gdc gdd gde gdi gdo gdr gds gdt gdv ge- gea gec ged gee geg gei geo ger ges get gev gga ggc ggd ggg ggi ggo ggr ggs ggt ggv gia gic gid gie gig gii gio gir gis git giv goa goc god goe gog goi goo gor gos got gov gra grc grd gre grg gri gro grr grs grt grv gsa gsc gsd gse gsg gsi gso gsr gss gst gsv gta gtc gtd gte gtg gti gto gtr gts gtt gtv gva gvc gvd gve gvg gvi gvo gvr gvs gvt i-d i-v ia- iaa iac iad iae iag iai iao iar ias iat iav ica icc icd ice icg ici ico icr ics ict icv ida idc idd ide idg idi ido idr ids idt idv ie- iea iec ied iee ieg iei ier ies iet iev iga igc igd ige igg igi igo igr igs igt iia iic iid iie iii iio iir iis iit io- ioa ioc iod ioe iog ioi ioo ior ios iot iov ir- ira irc ird ire irg iri iro irr irs irt irv is- isa isc isd ise isg isi iso isr iss ist isv ita itc itd ite itg iti ito its itt itv iva ivc ivd ive ivg ivi ivo ivr ivs ivt ivv o-i oaa oac oad oae oag oai oao oar oas oat oav oc- oca occ ocd ocg oci oco ocr ocs oct ocv oda odc odd ode odg odi odo odr ods odt odv oea oec oed oee oeg oei oeo oer oes oet oga ogc ogd oge ogg ogi ogo ogs ogt oia oic oid oie oii oio oir ois oit oiv oo- ooa ooc ood oog ooi ooo oor oos oot oov or- ora orc ord ore org ori oro orr ors ort orv os- osa osc osd ose osg osi oso osr oss ost osv ot- ota otc otd ote otg oti oto otr ots ott otv ov- ova ovc ovd ove ovi ovo ovs ovv ra- raa rac rad rae rag rai rao rar ras rat rav rca rcc rcd rce rcg rci rco rcr rcs rct rcv rda rdc rdd rde rdg rdi rdo rdr rds rdt rdv re- rea rec red ree reg rei reo rer res ret rev rga rgc rgd rge rgg rgi rgo rgr rgs rgt rgv ria ric rid rie rig rii rio rir ris rit riv roa roc rod roe rog roi roo ror ros rot rov rra rrc rrd rrg rri rrr rrs rrt rsa rsc rsd rse rsg rsi rso rsr rss rst rsv rta rtc rtd rte rtg rti rto rtr rts rtt rtv rva rvc rvd rve rvg rvi rvo rvr rvs rvt rvv saa sac sad sae sag sai sao sar sas sat sav sca scc scd sce scg sci sco scr scs sct