-er a-a a-c aaa aac aad aae aag aah aar aav ac- aca acc acd ace acg ach acr acv ad- ada adc add ade adg adh adr adv aea aec aed aee aeg aeh aer aev ag- aga agc agd age agg agh agr agv aha ahc ahd ahe ahg ahh ahr ahv ar- ara arc ard are arg arh arr arv av- ava avc avd ave avg avh avr c-- caa cac cad cae cag cah car cav cca ccc ccd cce ccg cch ccr ccv cda cdc cdd cde cdg cdh cdr cdv ce- cea cec ced cee ceg ceh cer cev cga cgc cgd cge cgg cgh cgr cgv ch- cha chc chd che chg chh chr chv cra crc crd cre crg crh crr crv cva cvc cvd cve cvg cvh cvr cvv daa dac dad dae dag dah dar dav dca dcc dcd dce dcg dcr dcv dda ddc ddd dde ddg ddh ddr de- dea dec ded dee deg deh der dev dga dgc dgd dge dgg dgh dgr dh- dha dhc dhd dhe dhh dhr dra drc drd dre drg drr drv dva dvc dvd dve dvg dvh dvr eaa eac ead eae eag eah ear eav ec- eca ecc ecd ece ecg ech ecr ecv ed- eda edc edd ede edg edh edr eea eec eed eee eeg eer eev ega egc egd ege egg egh egr eha ehc ehd ehe ehg ehh ehr ehv era erc erd ere erg erh err erv eva evc evd eve evg evh evr evv g-d gaa gac gad gae gag gah gar gav gca gcc gcd gce gcg gch gcr gda gdc gdd gde gdh gdr gdv ge- gea gec ged gee geg geh ger gev gga ggc ggd ggg ggh ggr ggv gha ghc ghd ghe ghg ghh ghr gra grc grd gre grg grh grr grv gva gvc gvd gve gvg gvh gvr haa hac had hae hag hah har hav hca hcc hcd hce hcg hch hcr hcv hda hdc hdd hde hdg hdh hdr hdv he- hea hec hed hee heg heh her hev hga hgc hge hgg hgh hgr hgv hha hhc hhd hhe hhg hhh hhr hhv hr- hra hrc hrd hre hrg hrh hrr hrv hv- hva hvc hvd hvg hvr hvv ra- raa rac rad rae rag rah rar rav rca rcc rcd rce rcg rch rcr rcv rda rdc rdd rde rdg rdh rdr rdv re- rea rec red ree reg reh rer rev rga rgc rgd rge rgg rgh rgr rgv rh- rha rhc rhd rhe rhg rhh rhr rhv rra rrc rrd rrg rrh rrr rva rvc rvd rve rvg rvh rvr rvv v-a v-e vaa vac vad vae vag vah var vav vca vcc vcd vce vch vcr vdc vdd vde vdg vdh vdr vdv vea vec ved vee veg veh ver vga vgc vgg vgh vgr vh- vha vhc vhd vhe vra vrc vrd vre vrg vrh vrr vva vvc vvg vvr vvv