ddd dde ddi ddk ddo ddp dds ddt de- ded dee dei dek deo dep des det di- did die dii dik dio dip dis dit dke dki dkk dko dkp dks dkt dod doe doi dok doo dop dos dot dpd dpe dpi dpk dpo dpp dps dpt dsd dse dsi dsk dso dsp dss dst dtd dte dti dtk dto dtp dts dtt ed- edd ede edi edk edo edp eds edt eed eee eek eeo eep ees eet eid eie eii eik eio eip eis eit ekd eke eki eko ekp eks ekt eo- eod eoe eoi eok eoo eop eos eot ep- epd epe epi epo epp eps ept es- esd ese esi esk eso esp ess est etd ete eti etk eto etp ets ett i-d idd ide idi idk ido idp ids idt ie- ied iee iei iek iep ies iet iid iie iii iio iip iis iit ike iki ikk iko iks ikt io- iod ioe ioi ioo iop ios iot ipd ipe ipi ipo ipp ips ipt is- isd ise isi isk iso isp iss ist itd ite iti itk ito itp its itt k-t kde kdk kdo kdp kds kdt ke- ked kee kei kek keo kep kes ket kid kie kii kik kio kip kis kit kke kki kkk kkp kks kkt kod koe koi kok koo kop kos kot kpd kpe kpi kpk kpo kpp kps kpt ksd kse ksi ksk kso ksp kss kst kte ktk kto ktp kts ktt o-i odd ode odi odo odp ods odt oed oee oei oeo oep oes oet oid oie oii oik oio oip ois oit okd oke oki okk oko okp oks oo- ood ooi ook ooo oop oos oot op- opd ope opi opk opo opp ops opt os- osd ose osi osk oso osp oss ost ot- otd ote oti otk oto otp ots ott p-p pdd pde pdi pdk pdo pdp pds pdt ped pee pei pek peo pep pes pet pid pie pii pik pio pip pis pit pkd pke pki pko pkp pks pkt pod poe poi pok poo pop pos pot ppd ppe ppi ppk ppo ppp pps ppt ps- psd pse psi psk pso psp pss pst pt- ptd pte pti ptk pto ptp pts ptt sdd sde sdi sdk sdo sdp sds sdt se- sed see sei sek seo sep ses set sid sie sii sik sio sip sis sit sk- skd ske ski skk sko skp sks skt sod soe soi sok soo sop sos sot spd spe spi spk spo spp sps spt ss- ssd sse ssi ssk sso ssp sss sst std ste sti stk sto stp sts stt tdd tde tdi tdk tdo tdp tds tdt te- ted tee tei tek teo tep tes tet tid tie tii tik tio tip tis tit tke tkk tko tkp tks tkt to- tod toe toi tok too top tos tot tpd tpe tpi tpk tpo tpp tps tpt tsd tse tsi tsk tso tsp tss tst ttd tte tti ttk tto ttp tts ttt