a-a a-i aaa aad aai aap aax aay ad- ada add adi adp adx ady ai- aia aid aii aip aix aiy ap- apa apd api app apx apy ax- axa axi axp axx ay- aya ayd ayi ayp ayx daa dad dai dap dax day dda ddd ddi ddp ddx ddy di- dia did dii dip dix diy dpa dpd dpi dpp dxd dxi dxp dxx dy- dya dyd dyp dyy i-d ia- iaa iad iai iap ida idd idi idp idx idy iia iid iii iip iix ipa ipd ipi ipp ipx ipy ixi ixy iya iyy p-p paa pad pai pap pax pay pda pdd pdi pdp pdx pia pid pii pip pix ppa ppd ppi ppp ppx py- pya pyd pyx xaa xad xap xda xdi xia xii xix xpa xpd xpp xxi xxp xxx xxy xyp xyy yaa yad yai yap yax yay yda ydy yid yii yip ypa ypd yxa yxy yyy