-ic a-a a-c a-i aaa aac aag aai aao aar aav ac- aca acc acg aci aco acr acv ag- aga agc agg agi ago agr agv ai- aia aic aig aii aio air aiv aoa aoc aog aoi aoo aor aov ar- ara arc arg ari aro arr arv av- ava avc avg avi avo avr c-- caa cac cag cai cao car cav cca ccc ccg cci cco ccr ccv cga cgc cgg cgi cgo cgr cgv ci- cia cic cig cii cio cir civ co- coa coc cog coi coo cor cov cra crc crg cri cro crr crv cva cvc cvg cvi cvo cvr cvv gaa gac gag gai gao gar gav gca gcc gcg gci gco gcr gga ggc ggg ggi ggo ggr ggv gia gic gig gii gio gir giv goa goc gog goi goo gor gov gra grc grg gri gro grr grv gva gvc gvg gvi gvo gvr i-v ia- iaa iac iag iai iao iar iav ica icc icg ici ico icr icv iga igc igg igi igo igr iia iic iii iio iir io- ioa ioc iog ioi ioo ior iov ir- ira irc irg iri iro irr irv iva ivc ivg ivi ivo ivr ivv o-i oaa oac oag oai oao oar oav oc- oca occ ocg oci oco ocr ocv oga ogc ogg ogi ogo oia oic oii oio oir oiv oo- ooa ooc oog ooi ooo oor oov or- ora orc org ori oro orr orv ov- ova ovc ovi ovo ovv ra- raa rac rag rai rao rar rav rca rcc rcg rci rco rcr rcv rga rgc rgg rgi rgo rgr rgv ria ric rig rii rio rir riv roa roc rog roi roo ror rov rra rrc rrg rri rrr rva rvc rvg rvi rvo rvr rvv v-a vaa vac vag vai vao var vav vca vcc vci vco vcr vga vgc vgg vgo vgr vi- via vic vig vii vio vir viv voa voc vog voi voo vor vov vra vrc vrg vri vrr vva vvc vvg vvi vvo vvr vvv