-er -ol ddd dde ddh ddl ddo ddp ddr dds de- ded dee deh del deo dep der des dh- dhd dhe dhh dhl dho dhp dhr dhs dl- dld dle dlh dll dlo dlp dlr dls dod doe doh dol doo dop dor dos dpd dpe dph dpl dpo dpp dpr dps drd dre drl dro drp drr drs dsd dse dsh dsl dso dsp dsr dss ed- edd ede edh edl edo edp edr eds eed eee eel eeo eep eer ees ehd ehe ehh ehl eho ehp ehr ehs eld ele elh ell elo elp elr els eo- eod eoe eoh eol eoo eop eor eos ep- epd epe eph epl epo epp epr eps erd ere erh erl ero erp err ers es- esd ese esh esl eso esp esr ess hdd hde hdh hdl hdo hdp hdr hds he- hed hee heh hel heo hep her hes hhd hhe hhh hhl hho hhp hhr hhs hld hle hlh hll hlo hlp hlr hls hod hoe hoh hol hoo hop hor hos hpd hpe hph hpl hpo hpp hpr hps hr- hrd hre hrh hrl hro hrp hrr hrs hsd hse hsh hsl hsp hsr hss l-p ldd lde ldh ldl ldo ldp ldr lds led lee leh lel leo lep ler les lhd lhh lho lhp lhr lhs lld lle lll llo llp llr lls lod loe loh lol loo lop lor los lpd lpe lph lpl lpo lpp lpr lps lrd lrh lro lrp lrr lrs lsd lse lsh lsl lso lsp lsr lss odd ode odh odl odo odp odr ods oed oee oeh oel oeo oep oer oes ohd ohe ohh ohl oho ohp ohr ohs old ole oll olo olp ols oo- ood ooh ool ooo oop oor oos op- opd ope oph opl opo opp opr ops or- ord ore orh orl oro orp orr ors os- osd ose osh osl oso osp osr oss p-p pdd pde pdh pdl pdo pdp pdr pds ped pee peh pel peo pep per pes phd phe phl pho php phr phs pld ple plh pll plo plp plr pls pod poe poh pol poo pop por pos ppd ppe pph ppl ppo ppp ppr pps prd pre prh prl pro prp prr prs ps- psd pse psh psl pso psp psr pss rdd rde rdh rdl rdo rdp rdr rds re- red ree reh rel reo rep rer res rh- rhd rhe rhh rhl rho rhp rhr rhs rld rle rlh rll rlo rlp rlr rls rod roe roh rol roo rop ror ros rpd rpe rph rpl rpo rpp rpr rps rrd rrh rrl rrp rrr rrs rsd rse rsh rsl rso rsp rsr rss sdd sde sdh sdl sdo sdp sdr sds se- sed see seh sel seo sep ser ses sh- shd she shh shl sho shp shr shs sld sle slh sll slo slp slr sls sod soe soh sol soo sop sor sos spd spe sph spl spo spp spr sps sr- srd sre srh srl sro srp srr srs ss- ssd sse ssh ssl sso ssp ssr sss