-er -ey ddd dde ddh ddi ddo ddp ddr ddx ddy de- ded dee deh dei deo dep der dex dey dh- dhd dhe dhh dhi dho dhp dhr di- did die dih dii dio dip dir dix diy dod doe doh doi doo dop dor dox doy dpd dpe dph dpi dpo dpp dpr drd dre dri dro drp drr drx dry dxd dxi dxo dxp dxr dxx dy- dyd dye dyo dyp dyr dyy ed- edd ede edh edi edo edp edr edx edy eed eee eeo eep eer eex eey ehd ehe ehh ehi eho ehp ehr eid eie eii eio eip eir eix eo- eod eoe eoh eoi eoo eop eor ep- epd epe eph epi epo epp epr epx erd ere erh eri ero erp err ery ex- exd exe exh exi exo exp exr exx exy eyd eye eyo eyp eyr h-i hdd hde hdh hdi hdo hdp hdr hdx hdy he- hed hee heh hei heo hep her hex hey hhd hhe hhh hhi hho hhp hhr hhy hid hie hih hii hio hip hir hix hod hoe hoh hoi hoo hop hor hox hoy hpd hpe hph hpi hpo hpp hpr hpy hr- hrd hre hrh hri hro hrp hrr hxd hy- hyd hye hyh hyi hyo hyp hyr hyy i-d idd ide idh idi ido idp idr idx idy ie- ied iee iei iep ier iex iey ihd ihe ihh ihi iho ihp ihr ihy iid iie iih iii iio iip iir iix io- iod ioe ioh ioi ioo iop ior ipd ipe ipi ipo ipp ipr ipx ipy ir- ird ire iri iro irp irr irx iry ixe ixi ixy iye iyo iyr iyy o-i odd ode odh odi odo odp odr oed oee oeh oei oeo oep oer oex oey ohd ohe ohh ohi oho ohp ohr oid oie oii oio oip oir oo- ood ooh ooi ooo oop oor oox op- opd ope oph opi opo opp opr opx opy or- ord ore orh ori oro orp orr orx ory ox- oxi oxo oxx oxy oyd oye oyi oyo p-p pdd pde pdh pdi pdo pdp pdr pdx ped pee peh pei peo pep per pex pey phd phe phi pho php phr phx phy pid pie pih pii pio pip pir pix pod poe poh poi poo pop por pox poy ppd ppe pph ppi ppo ppp ppr ppx prd pre prh pri pro prp prr prx pry pxe pxr py- pyd pye pyo pyr pyx rdd rde rdh rdi rdo rdp rdr rdx rdy re- red ree reh rei reo rep rer rex rey rh- rhd rhe rhh rhi rho rhp rhr rid rie rih rii rio rip rir rix riy rod roe roh roi roo rop ror rox roy rpd rpe rph rpi rpo rpp rpr rpx rrd rrh rri rrp rrr rxp rxr ry- ryd rye ryo ryr ryy xde xdh xdi xdr xed xee xep xer xex xhd xhp xie xii xio xix xod xoi xoo xop xor xox xpd xpe xpo xpp xrd xrx xry xxi xxo xxp xxx xxy xyp xyr xyy yde ydo ydy yed yee yeh yei yeo yep yer yex yey yhe yhi yid yie yih yii yio yip yir yod yoe yoi yoo yop yor yox yoy ypd ypo yre yro yrp yxe yxy yye yyy