-er -ol ddd dde ddf ddk ddl ddo ddp ddr ddt de- ded dee def dek del deo dep der det dfd dfe dff dfk dfl dfo dfp dfr dft dke dkk dkl dko dkp dkr dkt dl- dld dle dlf dlk dll dlo dlp dlr dlt dod doe dof dok dol doo dop dor dot dpd dpe dpf dpk dpl dpo dpp dpr dpt drd dre drk drl dro drp drr drt dtd dte dtf dtk dtl dto dtp dtr dtt ed- edd ede edf edk edl edo edp edr edt eed eee eef eek eel eeo eep eer eet ef- efd efe eff efl efo efp efr eft ekd eke ekf ekl eko ekp ekr ekt eld ele elf elk ell elo elp elr elt eo- eod eoe eof eok eol eoo eop eor eot ep- epd epe epf epl epo epp epr ept erd ere erf erk erl ero erp err ert etd ete etf etk etl eto etp etr ett fdd fde fdf fdk fdl fdo fdp fdr fdt fed fee fef fek fel feo fep fer fet ffd ffe fff ffk ffl ffo ffp ffr fft fkf fkk fkl fkp fkt fld fle flf fll flo flp flr flt foe fof fok fol foo fop for fot fpd fpe fpk fpl fpo fpp fpr fpt frd fre frf frk frl fro frp frr frt ftd fte ftf ftk ftl fto ftp ftr ftt k-t kde kdf kdk kdl kdo kdp kdr kdt ke- ked kee kef kek kel keo kep ker ket kfd kff kfo kke kkk kkl kkp kkr kkt kl- kld klf klo klr klt kod koe kof kok kol koo kop kor kot kpd kpe kpf kpk kpl kpo kpp kpr kpt krd krf krk krl kro krp krr krt kte ktf ktk ktl kto ktp ktr ktt l-p ldd lde ldf ldk ldl ldo ldp ldr ldt led lee lef lek lel leo lep ler let lfd lfe lff lfk lfl lfo lfp lfr lft lkl lkp lkr lkt lld lle llf llk lll llo llp llr llt lod loe lof lok lol loo lop lor lot lpd lpe lpf lpk lpl lpo lpp lpr lpt lrd lrf lrk lro lrp lrr lrt ltd lte ltf ltk ltl lto ltp ltr ltt odd ode odf odl odo odp odr odt oed oee oef oel oeo oep oer oet of- ofd ofe off ofl ofo ofp ofr oft okd oke okk okl oko okp okr old ole olf olk oll olo olp olt oo- ood oof ook ool ooo oop oor oot op- opd ope opf opk opl opo opp opr opt or- ord ore orf ork orl oro orp orr ort ot- otd ote otf otk otl oto otp otr ott p-p pdd pde pdf pdk pdl pdo pdp pdr pdt ped pee pef pek pel peo pep per pet pfd pfe pff pfk pfl pfo pfp pfr pft pkd pke pkf pkl pko pkp pkr pkt pld ple plf plk pll plo plp plr plt pod poe pof pok pol poo pop por pot ppd ppe ppf ppk ppl ppo ppp ppr ppt prd pre prf prk prl pro prp prr prt pt- ptd pte ptf ptk ptl pto ptp ptr ptt rdd rde rdf rdl rdo rdp rdr rdt re- red ree ref rek rel reo rep rer ret rfd rfe rff rfk rfl rfo rfp rfr rft rke rkf rkk rko rkp rkt rld rle rlf rll rlo rlp rlr rlt rod roe rof rok rol roo rop ror rot rpd rpe rpf rpk rpl rpo rpp rpr rpt rrd rrf rrk rrl rrp rrr rrt rtd rte rtf rtk rtl rto rtp rtr rtt tdd tde tdf tdk tdl tdo tdp tdr tdt te- ted tee tef tek tel teo tep ter tet tfd tfe tff tfk tfl tfo tfp tfr tft tke tkk tkl tko tkp tkr tkt tld tle tlf tlk tll tlo tlp tlr tlt to- tod toe tof tok tol too top tor tot tpd tpe tpf tpk tpl tpo tpp tpr tpt trd tre trf trk trl tro trp trr trt ttd tte ttf ttk ttl tto ttp ttr ttt