-er -up ddd dde ddi ddk ddo ddp ddr dds ddt ddu de- ded dee dei dek deo dep der des det deu di- did die dii dik dio dip dir dis dit diu dke dki dkk dko dkp dkr dks dkt dku dod doe doi dok doo dop dor dos dot dou dpd dpe dpi dpk dpo dpp dpr dps dpt dpu drd dre dri drk dro drp drr drs drt dru dsd dse dsi dsk dso dsp dsr dss dst dsu dtd dte dti dtk dto dtp dtr dts dtt dtu dud due dui duk duo dup dur dus dut ed- edd ede edi edk edo edp edr eds edt edu eed eee eek eeo eep eer ees eet eid eie eii eik eio eip eir eis eit eiu ekd eke eki eko ekp ekr eks ekt eku eo- eod eoe eoi eok eoo eop eor eos eot eou ep- epd epe epi epo epp epr eps ept epu erd ere eri erk ero erp err ers ert eru es- esd ese esi esk eso esp esr ess est esu etd ete eti etk eto etp etr ets ett etu eu- eud eue eui eup eur eus eut i-d idd ide idi idk ido idp idr ids idt idu ie- ied iee iei iek iep ier ies iet iid iie iii iio iip iir iis iit iiu ike iki ikk iko ikr iks ikt iku io- iod ioe ioi ioo iop ior ios iot iou ipd ipe ipi ipo ipp ipr ips ipt ipu ir- ird ire iri irk iro irp irr irs irt iru is- isd ise isi isk iso isp isr iss ist isu itd ite iti itk ito itp its itt itu iu- iud iue iui iup iur ius iut k-t kde kdk kdo kdp kdr kds kdt kdu ke- ked kee kei kek keo kep ker kes ket kid kie kii kik kio kip kir kis kit kiu kke kki kkk kkp kkr kks kkt kku kod koe koi kok koo kop kor kos kot kou kpd kpe kpi kpk kpo kpp kpr kps kpt kpu krd kri krk kro krp krr krs krt kru ksd kse ksi ksk kso ksp ksr kss kst ksu kte ktk kto ktp ktr kts ktt ktu kud kue kui kuk kup kur kus kut kuu o-i odd ode odi odo odp odr ods odt odu oed oee oei oeo oep oer oes oet oid oie oii oik oio oip oir ois oit oiu okd oke oki okk oko okp okr oks oku oo- ood ooi ook ooo oop oor oos oot op- opd ope opi opk opo opp opr ops opt or- ord ore ori ork oro orp orr ors ort oru os- osd ose osi osk oso osp osr oss ost osu ot- otd ote oti otk oto otp otr ots ott otu ou- oud oue oui ouk ouo oup our ous out p-p pdd pde pdi pdk pdo pdp pdr pds pdt pdu ped pee pei pek peo pep per pes pet peu pid pie pii pik pio pip pir pis pit piu pkd pke pki pko pkp pkr pks pkt pku pod poe poi pok poo pop por pos pot pou ppd ppe ppi ppk ppo ppp ppr pps ppt ppu prd pre pri prk pro prp prr prs prt pru ps- psd pse psi psk pso psp psr pss pst psu pt- ptd pte pti ptk pto ptp ptr pts ptt ptu pud pue pui puk pup pur pus put puu rdd rde rdi rdo rdp rdr rds rdt rdu re- red ree rei rek reo rep rer res ret reu rid rie rii rik rio rip rir ris rit rke rkk rko rkp rks rkt rku rod roe roi rok roo rop ror ros rot rou rpd rpe rpi rpk rpo rpp rpr rps rpt rpu rrd rri rrk rrp rrr rrs rrt rru rsd rse rsi rsk rso rsp rsr rss rst rsu rtd rte rti rtk rto rtp rtr rts rtt rtu rud rue rui ruk ruo rup rur rus rut ruu sdd sde sdi sdk sdo sdp sdr sds sdt sdu se- sed see sei sek seo sep ser ses set seu sid sie sii sik sio sip sir sis sit siu sk- skd ske ski skk sko skp skr sks skt sku sod soe soi sok soo sop sor sos sot sou spd spe spi spk spo spp spr sps spt spu sr- srd sre sri srk sro srp srr srs srt ss- ssd sse ssi ssk sso ssp ssr sss sst ssu std ste sti stk sto stp str sts stt stu sud sue sui suk suo sup sur sus sut suu tdd tde tdi tdk tdo tdp tdr tds tdt tdu te- ted tee tei tek teo tep ter tes tet teu tid tie tii tik tio tip tir tis tit tiu tke tkk tko tkp tkr tks tkt to- tod toe toi tok too top tor tos tot tou tpd tpe tpi tpk tpo tpp tpr tps tpt tpu trd tre tri trk tro trp trr trs trt tru tsd tse tsi tsk tso tsp tsr tss tst tsu ttd tte tti ttk tto ttp ttr tts ttt ttu tud tue tui tuk tuo tup tur tus tut tuu udd ude udi udk udo udp udr uds udt udu ued uee uei uep uer ues uet uid uie uii uio uip uir uis uit uiu uke uki ukk ukp ukr uku uod uoe uok uoo uop uor uos uot up- upd upe upi upk upo upp upr ups upt upu ur- urd ure uri urk uro urp urr urs urt uru usd use usi usk uso usp usr uss ust usu utd ute uti utk uto utp utr uts utt utu uue uur uus uut uuu