-ic a-a a-c a-i aaa aac aag aai aao aap aay ac- aca acc acg aci aco acp acy ag- aga agc agg agi ago agp agy ai- aia aic aig aii aio aip aiy aoa aoc aog aoi aoo aop ap- apa apc apg api apo app apy ay- aya ayc ayi ayo ayp c-- caa cac cag cai cao cap cay cca ccc ccg cci cco ccp cga cgc cgg cgi cgo cgp cgy ci- cia cic cig cii cio cip co- coa coc cog coi coo cop coy cpa cpc cpg cpi cpo cpp cya cyc cyg cyo cyp g-p gaa gac gag gai gao gap gay gca gcc gcg gci gco gcp gga ggc ggg ggi ggo ggp gia gic gig gii gio gip giy goa goc gog goi goo gop goy gpa gpc gpg gpi gpo gpp gy- gya gyo gyp ia- iaa iac iag iai iao iap ica icc icg ici ico icp icy iga igc igg igi igo igp igy iia iic iii iio iip io- ioa ioc iog ioi ioo iop ipa ipc ipg ipi ipo ipp ipy iya iyc iyo iyy o-i oaa oac oag oai oao oap oc- oca occ ocg oci oco ocp oga ogc ogg ogi ogo ogp ogy oia oic oii oio oip oo- ooa ooc oog ooi ooo oop op- opa opc opg opi opo opp opy oya oyi oyo p-p paa pac pag pai pao pap pay pca pcc pcg pci pco pcp pga pgc pgg pgi pgo pgp pgy pia pic pig pii pio pip poa poc pog poi poo pop poy ppa ppc ppg ppi ppo ppp py- pya pyc pyg pyo yaa yac yag yai yao yap yay yca ycc yci yco ycp ycy yga ygc ygo yig yii yio yip yoc yog yoi yoo yop yoy ypa ypg ypo yyc yyg yyy