-ic a-a a-c a-i a-z aaa aac aag aai aao aar aaz ac- aca acc acg aci aco acr acz ag- aga agc agg agi ago agr agz ai- aia aic aig aii aio air aiz aoa aoc aog aoi aoo aor ar- ara arc arg ari aro arr arz az- aza azg azi azo azz c-- caa cac cag cai cao car caz cca ccc ccg cci cco ccr ccz cga cgc cgg cgi cgo cgr ci- cia cic cig cii cio cir co- coa coc cog coi coo cor coz cra crc crg cri cro crr crz cz- czc czo gaa gac gag gai gao gar gaz gca gcc gcg gci gco gcr gga ggc ggg ggi ggo ggr ggz gia gic gig gii gio gir giz goa goc gog goi goo gor goz gra grc grg gri gro grr gza gzo gzr ia- iaa iac iag iai iao iar iaz ica icc icg ici ico icr icz iga igc igg igi igo igr iia iic iii iio iir io- ioa ioc iog ioi ioo ior ir- ira irc irg iri iro irr iza izi izo izz o-i oaa oac oag oai oao oar oc- oca occ ocg oci oco ocr ocz oga ogc ogg ogi ogo oia oic oii oio oir oiz oo- ooa ooc oog ooi ooo oor or- ora orc org ori oro orr orz oza ozo ozz ra- raa rac rag rai rao rar raz rca rcc rcg rci rco rcr rga rgc rgg rgi rgo rgr ria ric rig rii rio rir riz roa roc rog roi roo ror roz rra rrc rrg rri rrr rza rzo z-g zaa zac zag zai zao zar zaz zco zgg zgi zia zig zio zir ziz zo- zoa zoc zog zoi zoo zor zro zzr zzz