a-a a-c aaa aac aad aag aao aar aav ac- aca acc acd acg aco acr acv ad- ada adc add adg ado adr adv ag- aga agc agd agg ago agr agv aoa aoc aod aog aoo aor aov ar- ara arc ard arg aro arr arv av- ava avc avd avg avo avr c-- caa cac cad cag cao car cav cca ccc ccd ccg cco ccr ccv cda cdc cdd cdg cdo cdr cdv cga cgc cgd cgg cgo cgr cgv co- coa coc cod cog coo cor cov cra crc crd crg cro crr crv cva cvc cvd cvg cvo cvr cvv daa dac dad dag dao dar dav dca dcc dcd dcg dco dcr dcv dda ddc ddd ddg ddo ddr dga dgc dgd dgg dgr doa doc dod dog doo dor dov dra drc drd drg dro drr drv dva dvc dvd dvg dvr g-d gaa gac gad gag gao gar gav gca gcc gcd gcg gco gcr gda gdc gdd gdo gdr gdv gga ggc ggd ggg ggo ggr ggv goa goc god gog goo gor gov gra grc grd grg gro grr grv gva gvc gvd gvg gvo gvr oaa oac oad oag oao oar oav oc- oca occ ocd ocg oco ocr ocv oda odc odd odg odo odr odv oga ogc ogd ogg ogo oo- ooa ooc ood oog ooo oor oov or- ora orc ord org oro orr orv ov- ova ovc ovd ovo ovv ra- raa rac rad rag rao rar rav rca rcc rcd rcg rco rcr rcv rda rdc rdd rdg rdo rdr rdv rga rgc rgd rgg rgo rgr rgv roa roc rod rog roo ror rov rra rrc rrd rrg rrr rva rvc rvd rvg rvo rvr rvv v-a vaa vac vad vag vao var vav vca vcc vcd vco vcr vdc vdd vdg vdo vdr vdv vga vgc vgg vgo vgr voa voc vod vog voo vor vov vra vrc vrd vrg vrr vva vvc vvg vvo vvr vvv