-er -ol ddd dde ddh ddi ddk ddl ddo ddr dds de- ded dee deh dei dek del deo der des dh- dhd dhe dhh dhi dhk dhl dho dhr dhs di- did die dih dii dik dil dio dir dis dke dki dkk dkl dko dkr dks dl- dld dle dlh dli dlk dll dlo dlr dls dod doe doh doi dok dol doo dor dos drd dre dri drk drl dro drr drs dsd dse dsh dsi dsk dsl dso dsr dss ed- edd ede edh edi edk edl edo edr eds eed eee eek eel eeo eer ees ehd ehe ehh ehi ehl eho ehr ehs eid eie eii eik eil eio eir eis ekd eke ekh eki ekl eko ekr eks eld ele elh eli elk ell elo elr els eo- eod eoe eoh eoi eok eol eoo eor eos erd ere erh eri erk erl ero err ers es- esd ese esh esi esk esl eso esr ess h-i hdd hde hdh hdi hdk hdl hdo hdr hds he- hed hee heh hei hek hel heo her hes hhd hhe hhh hhi hhk hhl hho hhr hhs hid hie hih hii hik hil hio hir his hkd hkh hki hkk hkl hko hkr hks hld hle hlh hli hll hlo hlr hls hod hoe hoh hoi hok hol hoo hor hos hr- hrd hre hrh hri hrk hrl hro hrr hrs hsd hse hsh hsi hsk hsl hsr hss i-d idd ide idh idi idk idl ido idr ids ie- ied iee iei iek iel ier ies ihd ihe ihh ihi ihk ihl iho ihr ihs iid iie iih iii iil iio iir iis ike iki ikk ikl iko ikr iks il- ild ile ilh ili ilk ill ilo ilr ils io- iod ioe ioh ioi iol ioo ior ios ir- ird ire iri irk irl iro irr irs is- isd ise ish isi isk isl iso isr iss kde kdh kdk kdl kdo kdr kds ke- ked kee keh kei kek kel keo ker kes khe khh khi khk kho khr khs kid kie kih kii kik kil kio kir kis kke kkh kki kkk kkl kkr kks kl- kld klh kli klo klr kls kod koe koh koi kok kol koo kor kos krd kri krk krl kro krr krs ksd kse ksh ksi ksk ksl kso ksr kss ldd lde ldh ldi ldk ldl ldo ldr lds led lee leh lei lek lel leo ler les lhd lhh lhi lhk lho lhr lhs lid lie lih lii lik lil lio lir lis lkh lkl lkr lks lld lle lli llk lll llo llr lls lod loe loh loi lok lol loo lor los lrd lrh lri lrk lro lrr lrs lsd lse lsh lsi lsk lsl lso lsr lss o-i odd ode odh odi odl odo odr ods oed oee oeh oei oel oeo oer oes ohd ohe ohh ohi ohl oho ohr ohs oid oie oii oik oil oio oir ois okd oke oki okk okl oko okr oks old ole oli olk oll olo ols oo- ood ooh ooi ook ool ooo oor oos or- ord ore orh ori ork orl oro orr ors os- osd ose osh osi osk osl oso osr oss rdd rde rdh rdi rdl rdo rdr rds re- red ree reh rei rek rel reo rer res rh- rhd rhe rhh rhi rhl rho rhr rhs rid rie rih rii rik ril rio rir ris rke rkk rko rks rld rle rlh rli rll rlo rlr rls rod roe roh roi rok rol roo ror ros rrd rrh rri rrk rrl rrr rrs rsd rse rsh rsi rsk rsl rso rsr rss sdd sde sdh sdi sdk sdl sdo sdr sds se- sed see seh sei sek sel seo ser ses sh- shd she shh shi shk shl sho shr shs sid sie sih sii sik sil sio sir sis sk- skd ske skh ski skk skl sko skr sks sld sle slh sli slk sll slo slr sls sod soe soh soi sok sol soo sor sos sr- srd sre srh sri srk srl sro srr srs ss- ssd sse ssh ssi ssk ssl sso ssr sss