-er -up ddd dde ddk ddn ddo ddp ddr dds ddt ddu de- ded dee dek den deo dep der des det deu dke dkk dko dkp dkr dks dkt dku dnd dne dnk dnn dno dnp dnr dns dnt dod doe dok don doo dop dor dos dot dou dpd dpe dpk dpn dpo dpp dpr dps dpt dpu drd dre drk drn dro drp drr drs drt dru dsd dse dsk dsn dso dsp dsr dss dst dsu dtd dte dtk dtn dto dtp dtr dts dtt dtu dud due duk dun duo dup dur dus dut ed- edd ede edk edn edo edp edr eds edt edu eed eee eek een eeo eep eer ees eet ekd eke eko ekp ekr eks ekt eku en- end ene enk enn eno enp enr ens ent enu eo- eod eoe eok eon eoo eop eor eos eot eou ep- epd epe epn epo epp epr eps ept epu erd ere erk ern ero erp err ers ert eru es- esd ese esk esn eso esp esr ess est esu etd ete etk etn eto etp etr ets ett etu eu- eud eue eun eup eur eus eut k-t kde kdk kdo kdp kdr kds kdt kdu ke- ked kee kek ken keo kep ker kes ket kke kkk kkn kkp kkr kks kkt kku kn- knd kne knk knn kno knp knr knt knu kod koe kok kon koo kop kor kos kot kou kpd kpe kpk kpn kpo kpp kpr kps kpt kpu krd krk krn kro krp krr krs krt kru ksd kse ksk ksn kso ksp ksr kss kst ksu kte ktk ktn kto ktp ktr kts ktt ktu kud kue kuk kun kup kur kus kut kuu ndd nde ndk ndn ndo ndp ndr nds ndt ndu ne- ned nee nek nen neo nep ner nes net neu nke nkk nkn nko nkp nkr nks nkt nku nne nnk nnn nno nnp nns nnt nnu no- nod noe nok non noo nop nor nos not nou npd npe npn npo npp npr nps npt npu nrd nre nrk nrn nro nrp nrr nrs nrt nru nsd nse nsk nsn nso nsp nsr nss nst nsu ntd nte ntk ntn nto ntp ntr nts ntt ntu nud nue nuk nun nuo nup nur nus nut nuu odd ode odn odo odp odr ods odt odu oed oee oen oeo oep oer oes oet okd oke okk oko okp okr oks oku on- ond one onk onn ono onp onr ons ont onu oo- ood ook oon ooo oop oor oos oot op- opd ope opk opn opo opp opr ops opt or- ord ore ork orn oro orp orr ors ort oru os- osd ose osk osn oso osp osr oss ost osu ot- otd ote otk otn oto otp otr ots ott otu ou- oud oue ouk oun ouo oup our ous out p-p pdd pde pdk pdn pdo pdp pdr pds pdt pdu ped pee pek pen peo pep per pes pet peu pkd pke pkn pko pkp pkr pks pkt pku pn- pnd pne pnk pnn pno pnp pnr pns pnt pnu pod poe pok pon poo pop por pos pot pou ppd ppe ppk ppn ppo ppp ppr pps ppt ppu prd pre prk prn pro prp prr prs prt pru ps- psd pse psk psn pso psp psr pss pst psu pt- ptd pte ptk ptn pto ptp ptr pts ptt ptu pud pue puk pun pup pur pus put puu rdd rde rdn rdo rdp rdr rds rdt rdu re- red ree rek ren reo rep rer res ret reu rke rkk rko rkp rks rkt rku rnd rnn rno rnp rnr rns rnt rnu rod roe rok ron roo rop ror ros rot rou rpd rpe rpk rpn rpo rpp rpr rps rpt rpu rrd rrk rrn rrp rrr rrs rrt rru rsd rse rsk rsn rso rsp rsr rss rst rsu rtd rte rtk rtn rto rtp rtr rts rtt rtu rud rue ruk run ruo rup rur rus rut ruu sdd sde sdk sdn sdo sdp sdr sds sdt sdu se- sed see sek sen seo sep ser ses set seu sk- skd ske skk sko skp skr sks skt sku snd sne snk snn sno snp snr sns snt snu sod soe sok son soo sop sor sos sot sou spd spe spk spn spo spp spr sps spt spu sr- srd sre srk srn sro srp srr srs srt ss- ssd sse ssk ssn sso ssp ssr sss sst ssu std ste stk stn sto stp str sts stt stu sud sue suk sun suo sup sur sus sut suu tdd tde tdk tdn tdo tdp tdr tds tdt tdu te- ted tee tek ten teo tep ter tes tet teu tke tkk tko tkp tkr tks tkt tnd tne tnk tnn tno tnp tnr tns tnt to- tod toe tok ton too top tor tos tot tou tpd tpe tpk tpn tpo tpp tpr tps tpt tpu trd tre trk trn tro trp trr trs trt tru tsd tse tsk tsn tso tsp tsr tss tst tsu ttd tte ttk ttn tto ttp ttr tts ttt ttu tud tue tuk tun tuo tup tur tus tut tuu udd ude udk udn udo udp udr uds udt udu ued uee uen uep uer ues uet uke ukk ukn ukp ukr uku un- und une unk unn uno unp unr uns unt unu uod uoe uok uon uoo uop uor uos uot up- upd upe upk upn upo upp upr ups upt upu ur- urd ure urk urn uro urp urr urs urt uru usd use usk usn uso usp usr uss ust usu utd ute utk utn uto utp utr uts utt utu uue uun uur uus uut uuu