-er -ey ddd dde ddh ddo ddp ddr dds ddx ddy de- ded dee deh deo dep der des dex dey dh- dhd dhe dhh dho dhp dhr dhs dod doe doh doo dop dor dos dox doy dpd dpe dph dpo dpp dpr dps drd dre dro drp drr drs drx dry dsd dse dsh dso dsp dsr dss dsx dsy dxd dxo dxp dxr dxs dxx dy- dyd dye dyo dyp dyr dys dyy ed- edd ede edh edo edp edr eds edx edy eed eee eeo eep eer ees eex eey ehd ehe ehh eho ehp ehr ehs eo- eod eoe eoh eoo eop eor eos ep- epd epe eph epo epp epr eps epx erd ere erh ero erp err ers ery es- esd ese esh eso esp esr ess esx esy ex- exd exe exh exo exp exr exs exx exy eyd eye eyo eyp eyr eys hdd hde hdh hdo hdp hdr hds hdx hdy he- hed hee heh heo hep her hes hex hey hhd hhe hhh hho hhp hhr hhs hhy hod hoe hoh hoo hop hor hos hox hoy hpd hpe hph hpo hpp hpr hps hpy hr- hrd hre hrh hro hrp hrr hrs hsd hse hsh hsp hsr hss hsx hsy hxd hy- hyd hye hyh hyo hyp hyr hys hyy odd ode odh odo odp odr ods oed oee oeh oeo oep oer oes oex oey ohd ohe ohh oho ohp ohr ohs oo- ood ooh ooo oop oor oos oox op- opd ope oph opo opp opr ops opx opy or- ord ore orh oro orp orr ors orx ory os- osd ose osh oso osp osr oss osx ox- oxo oxx oxy oyd oye oyo oys p-p pdd pde pdh pdo pdp pdr pds pdx ped pee peh peo pep per pes pex pey phd phe pho php phr phs phx phy pod poe poh poo pop por pos pox poy ppd ppe pph ppo ppp ppr pps ppx prd pre prh pro prp prr prs prx pry ps- psd pse psh pso psp psr pss psx psy pxe pxr pxs py- pyd pye pyo pyr pys pyx rdd rde rdh rdo rdp rdr rds rdx rdy re- red ree reh reo rep rer res rex rey rh- rhd rhe rhh rho rhp rhr rhs rod roe roh roo rop ror ros rox roy rpd rpe rph rpo rpp rpr rps rpx rrd rrh rrp rrr rrs rsd rse rsh rso rsp rsr rss rsx rxp rxr rxs ry- ryd rye ryo ryr rys ryy sdd sde sdh sdo sdp sdr sds sdy se- sed see seh seo sep ser ses sex sey sh- shd she shh sho shp shr shs shy sod soe soh soo sop sor sos sox soy spd spe sph spo spp spr sps spx spy sr- srd sre srh sro srp srr srs srx sry ss- ssd sse ssh sso 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 xod xoo xop xor xos xox xpd xpe xpo xpp xps xrd xrx xry xsp xss xxo xxp xxx xxy xyp xyr xyy yde ydo yds ydy yed yee yeh yeo yep yer yes yex yey yhe yhs yod yoe yoo yop yor yos yox yoy ypd ypo yps yre yro yrp yrs yse yso ysp ysr yss ysy yxe yxy yye yys yyy