a-a a-i aaa aai aap aas aay ai- aia aii aip ais aiy ap- apa api app aps apy as- asa asi asp ass asy ay- aya ayi ayp ays ia- iaa iai iap ias iia iii iip iis ipa ipi ipp ips ipy is- isa isi isp iss isy iya iys iyy p-p paa pai pap pas pay pia pii pip pis ppa ppi ppp pps ps- psa psi psp pss psy py- pya pys saa sai sap sas say sia sii sip sis spa spi spp sps spy ss- ssa ssi ssp sss sy- sya syi syp sys yaa yai yap yas yay yii yip yis ypa yps ysa ysi ysp yss ysy yys yyy