-ic a-a a-c a-i aaa aac aag aai aap aar aas aay ac- aca acc acg aci acp acr acs acy ag- aga agc agg agi agp agr ags agy ai- aia aic aig aii aip air ais aiy ap- apa apc apg api app apr aps apy ar- ara arc arg ari arp arr ars ary as- asa asc asg asi asp asr ass asy ay- aya ayc ayi ayp ayr ays c-- caa cac cag cai cap car cas cay cca ccc ccg cci ccp ccr ccs cga cgc cgg cgi cgp cgr cgs cgy ci- cia cic cig cii cip cir cis cpa cpc cpg cpi cpp cpr cps cra crc crg cri crp crr crs cry csa csc csg csi csp csr css csy cya cyc cyg cyp cyr cys g-p gaa gac gag gai gap gar gas gay gca gcc gcg gci gcp gcr gcs gga ggc ggg ggi ggp ggr ggs gia gic gig gii gip gir gis giy gpa gpc gpg gpi gpp gpr gps gra grc grg gri grp grr grs gry gsa gsc gsg gsi gsp gsr gss gy- gya gyp gyr gys ia- iaa iac iag iai iap iar ias ica icc icg ici icp icr ics icy iga igc igg igi igp igr igs igy iia iic iii iip iir iis ipa ipc ipg ipi ipp ipr ips ipy ir- ira irc irg iri irp irr irs iry is- isa isc isg isi isp isr iss isy iya iyc iyr iys iyy p-p paa pac pag pai pap par pas pay pca pcc pcg pci pcp pcr pcs pga pgc pgg pgi pgp pgr pgs pgy pia pic pig pii pip pir pis ppa ppc ppg ppi ppp ppr pps pra prc prg pri prp prr prs pry ps- psa psc psg psi psp psr pss psy py- pya pyc pyg pyr pys ra- raa rac rag rai rap rar ras ray rca rcc rcg rci rcp rcr rcs rga rgc rgg rgi rgp rgr rgs ria ric rig rii rip rir ris riy rpa rpc rpg rpi rpp rpr rps rra rrc rrg rri rrp rrr rrs rsa rsc rsg rsi rsp rsr rss ry- rya ryc ryg ryr rys ryy saa sac sag sai sap sar sas say sca scc scg sci scp scr scs sga sgc sgg sgi sgp sgr sgs sia sic sig sii sip sir sis spa spc spg spi spp spr sps spy sr- sra src srg sri srp srr srs sry ss- ssa ssc ssg ssi ssp ssr sss sy- sya syc syg syi syp syr sys yaa yac yag yai yap yar yas yay yca ycc yci ycp ycs ycy yga ygc yig yii yip yir yis ypa ypg yps yra yrc yrg yrp yrs ysa ysc ysg ysi ysp ysr yss ysy yyc yyg yys yyy