-er -ol ddd dde ddi ddk ddl ddo ddp ddr dds ddt de- ded dee dei dek del deo dep der des det di- did die dii dik dil dio dip dir dis dit dke dki dkk dkl dko dkp dkr dks dkt dl- dld dle dli dlk dll dlo dlp dlr dls dlt dod doe doi dok dol doo dop dor dos dot dpd dpe dpi dpk dpl dpo dpp dpr dps dpt drd dre dri drk drl dro drp drr drs drt dsd dse dsi dsk dsl dso dsp dsr dss dst dtd dte dti dtk dtl dto dtp dtr dts dtt ed- edd ede edi edk edl edo edp edr eds edt eed eee eek eel eeo eep eer ees eet eid eie eii eik eil eio eip eir eis eit ekd eke eki ekl eko ekp ekr eks ekt eld ele eli elk ell elo elp elr els elt eo- eod eoe eoi eok eol eoo eop eor eos eot ep- epd epe epi epl epo epp epr eps ept erd ere eri erk erl ero erp err ers ert es- esd ese esi esk esl eso esp esr ess est etd ete eti etk etl eto etp etr ets ett i-d idd ide idi idk idl ido idp idr ids idt ie- ied iee iei iek iel iep ier ies iet iid iie iii iil iio iip iir iis iit ike iki ikk ikl iko ikr iks ikt il- ild ile ili ilk ill ilo ilp ilr ils ilt io- iod ioe ioi iol ioo iop ior ios iot ipd ipe ipi ipl ipo ipp ipr ips ipt ir- ird ire iri irk irl iro irp irr irs irt is- isd ise isi isk isl iso isp isr iss ist itd ite iti itk itl ito itp its itt k-t kde kdk kdl kdo kdp kdr kds kdt ke- ked kee kei kek kel keo kep ker kes ket kid kie kii kik kil kio kip kir kis kit kke kki kkk kkl kkp kkr kks kkt kl- kld kli klo klr kls klt kod koe koi kok kol koo kop kor kos kot kpd kpe kpi kpk kpl kpo kpp kpr kps kpt krd kri krk krl kro krp krr krs krt ksd kse ksi ksk ksl kso ksp ksr kss kst kte ktk ktl kto ktp ktr kts ktt l-p ldd lde ldi ldk ldl ldo ldp ldr lds ldt led lee lei lek lel leo lep ler les let lid lie lii lik lil lio lip lir lis lit lkl lkp lkr lks lkt lld lle lli llk lll llo llp llr lls llt lod loe loi lok lol loo lop lor los lot lpd lpe lpi lpk lpl lpo lpp lpr lps lpt lrd lri lrk lro lrp lrr lrs lrt lsd lse lsi lsk lsl lso lsp lsr lss lst ltd lte lti ltk ltl lto ltp ltr lts ltt o-i odd ode odi odl odo odp odr ods odt oed oee oei oel oeo oep oer oes oet oid oie oii oik oil oio oip oir ois oit okd oke oki okk okl oko okp okr oks old ole oli olk oll olo olp ols olt oo- ood ooi ook ool ooo oop oor oos oot op- opd ope opi opk opl opo opp opr ops opt or- ord ore ori ork orl oro orp orr ors ort os- osd ose osi osk osl oso osp osr oss ost ot- otd ote oti otk otl oto otp otr ots ott p-p pdd pde pdi pdk pdl pdo pdp pdr pds pdt ped pee pei pek pel peo pep per pes pet pid pie pii pik pil pio pip pir pis pit pkd pke pki pkl pko pkp pkr pks pkt pld ple pli plk pll plo plp plr pls plt pod poe poi pok pol poo pop por pos pot ppd ppe ppi ppk ppl ppo ppp ppr pps ppt prd pre pri prk prl pro prp prr prs prt ps- psd pse psi psk psl pso psp psr pss pst pt- ptd pte pti ptk ptl pto ptp ptr pts ptt rdd rde rdi rdl rdo rdp rdr rds rdt re- red ree rei rek rel reo rep rer res ret rid rie rii rik ril rio rip rir ris rit rke rkk rko rkp rks rkt rld rle rli rll rlo rlp rlr rls rlt rod roe roi rok rol roo rop ror ros rot rpd rpe rpi rpk rpl rpo rpp rpr rps rpt rrd rri rrk rrl rrp rrr rrs rrt rsd rse rsi rsk rsl rso rsp rsr rss rst rtd rte rti rtk rtl rto rtp rtr rts rtt sdd sde sdi sdk sdl sdo sdp sdr sds sdt se- sed see sei sek sel seo sep ser ses set sid sie sii sik sil sio sip sir sis sit sk- skd ske ski skk skl sko skp skr sks skt sld sle sli slk sll slo slp slr sls slt sod soe soi sok sol soo sop sor sos sot spd spe spi spk spl spo spp spr sps spt sr- srd sre sri srk srl sro srp srr srs srt ss- ssd sse ssi ssk ssl sso ssp ssr sss sst std ste sti stk stl sto stp str sts stt tdd tde tdi tdk tdl tdo tdp tdr tds tdt te- ted tee tei tek tel teo tep ter tes tet tid tie tii tik til tio tip tir tis tit tke tkk tkl tko tkp tkr tks tkt tld tle tli tlk tll tlo tlp tlr tls tlt to- tod toe toi tok tol too top tor tos tot tpd tpe tpi tpk tpl tpo tpp tpr tps tpt trd tre tri trk trl tro trp trr trs trt tsd tse tsi tsk tsl tso tsp tsr tss tst ttd tte tti ttk ttl tto ttp ttr tts ttt