-ic a-a a-c a-i aaa aac aai aap aas aay ac- aca acc aci acp acs acy ai- aia aic aii aip ais aiy ap- apa apc api app aps apy as- asa asc asi asp ass asy ay- aya ayc ayi ayp ays c-- caa cac cai cap cas cay cca ccc cci ccp ccs ci- cia cic cii cip cis cpa cpc cpi cpp cps csa csc csi csp css csy cya cyc cyp cys ia- iaa iac iai iap ias ica icc ici icp ics icy iia iic iii iip iis ipa ipc ipi ipp ips ipy is- isa isc isi isp iss isy iya iyc iys iyy p-p paa pac pai pap pas pay pca pcc pci pcp pcs pia pic pii pip pis ppa ppc ppi ppp pps ps- psa psc psi psp pss psy py- pya pyc pys saa sac sai sap sas say sca scc sci scp scs sia sic sii sip sis spa spc spi spp sps spy ss- ssa ssc ssi ssp sss sy- sya syc syi syp sys yaa yac yai yap yas yay yca ycc yci ycp ycs ycy yii yip yis ypa yps ysa ysc ysi ysp yss ysy yyc yys yyy