-ic a-a a-c a-i aaa aac aai aap aar aas aay ac- aca acc aci acp acr acs acy ai- aia aic aii aip air ais aiy ap- apa apc api app apr aps apy ar- ara arc ari arp arr ars ary as- asa asc asi asp asr ass asy ay- aya ayc ayi ayp ayr ays c-- caa cac cai cap car cas cay cca ccc cci ccp ccr ccs ci- cia cic cii cip cir cis cpa cpc cpi cpp cpr cps cra crc cri crp crr crs cry csa csc csi csp csr css csy cya cyc cyp cyr cys ia- iaa iac iai iap iar ias ica icc ici icp icr ics icy iia iic iii iip iir iis ipa ipc ipi ipp ipr ips ipy ir- ira irc iri irp irr irs iry is- isa isc isi isp isr iss isy iya iyc iyr iys iyy p-p paa pac pai pap par pas pay pca pcc pci pcp pcr pcs pia pic pii pip pir pis ppa ppc ppi ppp ppr pps pra prc pri prp prr prs pry ps- psa psc psi psp psr pss psy py- pya pyc pyr pys ra- raa rac rai rap rar ras ray rca rcc rci rcp rcr rcs ria ric rii rip rir ris riy rpa rpc rpi rpp rpr rps rra rrc rri rrp rrr rrs rsa rsc rsi rsp rsr rss ry- rya ryc ryr rys ryy saa sac sai sap sar sas say sca scc sci scp scr scs sia sic sii sip sir sis spa spc spi spp spr sps spy sr- sra src sri srp srr srs sry ss- ssa ssc ssi ssp ssr sss sy- sya syc syi syp syr sys yaa yac yai yap yar yas yay yca ycc yci ycp ycs ycy yii yip yir yis ypa yps yra yrc yrp yrs ysa ysc ysi ysp ysr yss ysy yyc yys yyy