-er -ey a-a a-i aaa aae aah aai aap aar aax aay aea aee aeh aei aep aer aex aey aha ahe ahh ahi ahp ahr ahx ahy ai- aia aie aih aii aip air aix aiy ap- apa ape aph api app apr apx apy ar- ara are arh ari arp arr arx ary ax- axa axe axh axi axp axr axx ay- aya aye ayh ayi ayp ayr ayx eaa eae eah eai eap ear eax eea eee eep eer eex eey eha ehe ehh ehi ehp ehr eia eie eii eip eir eix ep- epa epe eph epi epp epr epx era ere erh eri erp err ery ex- exa exe exh exi exp exr exx exy eya eye eyp eyr h-i haa hae hah hai hap har hax hay he- hea hee heh hei hep her hex hey hha hhe hhh hhi hhp hhr hhy hia hie hih hii hip hir hix hpa hpe hph hpi hpp hpr hpy hr- hra hre hrh hri hrp hrr hy- hya hye hyh hyi hyp hyr hyy ia- iaa iae iah iai iap iar ie- iea iee iei iep ier iex iey iha ihe ihh ihi ihp ihr ihy iia iie iih iii iip iir iix ipa ipe ipi ipp ipr ipx ipy ir- ira ire iri irp irr irx iry ixe ixi ixy iya iye iyr iyy p-p paa pae pah pai pap par pax pay pea pee peh pei pep per pex pey pha phe phi php phr phx phy pia pie pih pii pip pir pix ppa ppe pph ppi ppp ppr ppx pra pre prh pri prp prr prx pry pxe pxr py- pya pye pyr pyx ra- raa rae rah rai rap rar rax ray re- rea ree reh rei rep rer rex rey rh- rha rhe rhh rhi rhp rhr ria rie rih rii rip rir rix riy rpa rpe rph rpi rpp rpr rpx rra rrh rri rrp rrr rxp rxr ry- rya rye ryr ryy xaa xap xar xee xep xer xex xhp xia xie xii xix xpa xpe xpp xrx xry xxi xxp xxx xxy xyp xyr xyy yaa yae yah yai yap yar yax yay yea yee yeh yei yep yer yex yey yha yhe yhi yie yih yii yip yir ypa yra yre yrp yxa yxe yxy yye yyy