-er -ey ddd dde ddh ddp ddr dds ddx ddy de- ded dee deh dep der des dex dey dh- dhd dhe dhh dhp dhr dhs dpd dpe dph dpp dpr dps drd dre drp drr drs drx dry dsd dse dsh dsp dsr dss dsx dsy dxd dxp dxr dxs dxx dy- dyd dye dyp dyr dys dyy ed- edd ede edh edp edr eds edx edy eed eee eep eer ees eex eey ehd ehe ehh ehp ehr ehs ep- epd epe eph epp epr eps epx erd ere erh erp err ers ery es- esd ese esh esp esr ess esx esy ex- exd exe exh exp exr exs exx exy eyd eye eyp eyr eys hdd hde hdh hdp hdr hds hdx hdy he- hed hee heh hep her hes hex hey hhd hhe hhh hhp hhr hhs hhy hpd hpe hph hpp hpr hps hpy hr- hrd hre hrh hrp hrr hrs hsd hse hsh hsp hsr hss hsx hsy hxd hy- hyd hye hyh hyp hyr hys hyy p-p pdd pde pdh pdp pdr pds pdx ped pee peh pep per pes pex pey phd phe php phr phs phx phy ppd ppe pph ppp ppr pps ppx prd pre prh prp prr prs prx pry ps- psd pse psh psp psr pss psx psy pxe pxr pxs py- pyd pye pyr pys pyx rdd rde rdh rdp rdr rds rdx rdy re- red ree reh rep rer res rex rey rh- rhd rhe rhh rhp rhr rhs rpd rpe rph rpp rpr rps rpx rrd rrh rrp rrr rrs rsd rse rsh rsp rsr rss rsx rxp rxr rxs ry- ryd rye ryr rys ryy sdd sde sdh sdp sdr sds sdy se- sed see seh sep ser ses sex sey sh- shd she shh shp shr shs shy spd spe sph spp spr sps spx spy sr- srd sre srh srp srr srs srx sry ss- ssd sse ssh ssp ssr sss ssx sxs sy- syd sye syh syp syr sys syx xde xdh xdr xds xed xee xep xer xes xex xhd xhp xpd xpe xpp xps xrd xrx xry xsp xss xxp xxx xxy xyp xyr xyy yde yds ydy yed yee yeh yep yer yes yex yey yhe yhs ypd yps yre yrp yrs yse ysp ysr yss ysy yxe yxy yye yys yyy