-er ddd dde ddi ddk ddn ddo ddp ddr dds ddt de- ded dee dei dek den deo dep der des det di- did die dii dik din dio dip dir dis dit dke dki dkk dko dkp dkr dks dkt dnd dne dni dnk dnn dno dnp dnr dns dnt dod doe doi dok don doo dop dor dos dot dpd dpe dpi dpk dpn dpo dpp dpr dps dpt drd dre dri drk drn dro drp drr drs drt dsd dse dsi dsk dsn dso dsp dsr dss dst dtd dte dti dtk dtn dto dtp dtr dts dtt ed- edd ede edi edk edn edo edp edr eds edt eed eee eek een eeo eep eer ees eet eid eie eii eik ein eio eip eir eis eit ekd eke eki eko ekp ekr eks ekt en- end ene eni enk enn eno enp enr ens ent eo- eod eoe eoi eok eon eoo eop eor eos eot ep- epd epe epi epn epo epp epr eps ept erd ere eri erk ern ero erp err ers ert es- esd ese esi esk esn eso esp esr ess est etd ete eti etk etn eto etp etr ets ett i-d idd ide idi idk idn ido idp idr ids idt ie- ied iee iei iek ien iep ier ies iet iid iie iii iin iio iip iir iis iit ike iki ikk iko ikr iks ikt in- ind ine ini ink inn ino inp inr ins int io- iod ioe ioi ion ioo iop ior ios iot ipd ipe ipi ipn ipo ipp ipr ips ipt ir- ird ire iri irk irn iro irp irr irs irt is- isd ise isi isk isn iso isp isr iss ist itd ite iti itk itn ito itp its itt k-t kde kdk kdo kdp kdr kds kdt ke- ked kee kei kek ken keo kep ker kes ket kid kie kii kik kin kio kip kir kis kit kke kki kkk kkn kkp kkr kks kkt kn- knd kne kni knk knn kno knp knr knt kod koe koi kok kon koo kop kor kos kot kpd kpe kpi kpk kpn kpo kpp kpr kps kpt krd kri krk krn kro krp krr krs krt ksd kse ksi ksk ksn kso ksp ksr kss kst kte ktk ktn kto ktp ktr kts ktt n-i ndd nde ndi ndk ndn ndo ndp ndr nds ndt ne- ned nee nei nek nen neo nep ner nes net nid nie nii nik nin nio nip nir nis nit nke nki nkk nkn nko nkp nkr nks nkt nne nni nnk nnn nno nnp nns nnt no- nod noe noi nok non noo nop nor nos not npd npe npi npn npo npp npr nps npt nrd nre nri nrk nrn nro nrp nrr nrs nrt nsd nse nsi nsk nsn nso nsp nsr nss nst ntd nte nti ntk ntn nto ntp ntr nts ntt o-i odd ode odi odn odo odp odr ods odt oed oee oei oen oeo oep oer oes oet oid oie oii oik oin oio oip oir ois oit okd oke oki okk oko okp okr oks on- ond one oni onk onn ono onp onr ons ont oo- ood ooi ook oon ooo oop oor oos oot op- opd ope opi opk opn opo opp opr ops opt or- ord ore ori ork orn oro orp orr ors ort os- osd ose osi osk osn oso osp osr oss ost ot- otd ote oti otk otn oto otp otr ots ott p-p pdd pde pdi pdk pdn pdo pdp pdr pds pdt ped pee pei pek pen peo pep per pes pet pid pie pii pik pin pio pip pir pis pit pkd pke pki pkn pko pkp pkr pks pkt pn- pnd pne pni pnk pnn pno pnp pnr pns pnt pod poe poi pok pon poo pop por pos pot ppd ppe ppi ppk ppn ppo ppp ppr pps ppt prd pre pri prk prn pro prp prr prs prt ps- psd pse psi psk psn pso psp psr pss pst pt- ptd pte pti ptk ptn pto ptp ptr pts ptt rdd rde rdi rdn rdo rdp rdr rds rdt re- red ree rei rek ren reo rep rer res ret rid rie rii rik rin rio rip rir ris rit rke rkk rko rkp rks rkt rnd rni rnn rno rnp rnr rns rnt rod roe roi rok ron roo rop ror ros rot rpd rpe rpi rpk rpn rpo rpp rpr rps rpt rrd rri rrk rrn rrp rrr rrs rrt rsd rse rsi rsk rsn rso rsp rsr rss rst rtd rte rti rtk rtn rto rtp rtr rts rtt sdd sde sdi sdk sdn sdo sdp sdr sds sdt se- sed see sei sek sen seo sep ser ses set sid sie sii sik sin sio sip sir sis sit sk- skd ske ski skk sko skp skr sks skt snd sne sni snk snn sno snp snr sns snt sod soe soi sok son soo sop sor sos sot spd spe spi spk spn spo spp spr sps spt sr- srd sre sri srk srn sro srp srr srs srt ss- ssd sse ssi ssk ssn sso ssp ssr sss sst std ste sti stk stn sto stp str sts stt tdd tde tdi tdk tdn tdo tdp tdr tds tdt te- ted tee tei tek ten teo tep ter tes tet tid tie tii tik tin tio tip tir tis tit tke tkk tko tkp tkr tks tkt tnd tne tni tnk tnn tno tnp tnr tns tnt to- tod toe toi tok ton too top tor tos tot tpd tpe tpi tpk tpn tpo tpp tpr tps tpt trd tre tri trk trn tro trp trr trs trt tsd tse tsi tsk tsn tso tsp tsr tss tst ttd tte tti ttk ttn tto ttp ttr tts ttt