-er -up ddd dde ddi ddo ddp ddr ddt ddu de- ded dee dei deo dep der det deu di- did die dii dio dip dir dit diu dod doe doi doo dop dor dot dou dpd dpe dpi dpo dpp dpr dpt dpu drd dre dri dro drp drr drt dru dtd dte dti dto dtp dtr dtt dtu dud due dui duo dup dur dut ed- edd ede edi edo edp edr edt edu eed eee eeo eep eer eet eid eie eii eio eip eir eit eiu eo- eod eoe eoi eoo eop eor eot eou ep- epd epe epi epo epp epr ept epu erd ere eri ero erp err ert eru etd ete eti eto etp etr ett etu eu- eud eue eui eup eur eut i-d idd ide idi ido idp idr idt idu ie- ied iee iei iep ier iet iid iie iii iio iip iir iit iiu io- iod ioe ioi ioo iop ior iot iou ipd ipe ipi ipo ipp ipr ipt ipu ir- ird ire iri iro irp irr irt iru itd ite iti ito itp itt itu iu- iud iue iui iup iur iut o-i odd ode odi odo odp odr odt odu oed oee oei oeo oep oer oet oid oie oii oio oip oir oit oiu oo- ood ooi ooo oop oor oot op- opd ope opi opo opp opr opt or- ord ore ori oro orp orr ort oru ot- otd ote oti oto otp otr ott otu ou- oud oue oui ouo oup our out p-p pdd pde pdi pdo pdp pdr pdt pdu ped pee pei peo pep per pet peu pid pie pii pio pip pir pit piu pod poe poi poo pop por pot pou ppd ppe ppi ppo ppp ppr ppt ppu prd pre pri pro prp prr prt pru pt- ptd pte pti pto ptp ptr ptt ptu pud pue pui pup pur put puu rdd rde rdi rdo rdp rdr rdt rdu re- red ree rei reo rep rer ret reu rid rie rii rio rip rir rit rod roe roi roo rop ror rot rou rpd rpe rpi rpo rpp rpr rpt rpu rrd rri rrp rrr rrt rru rtd rte rti rto rtp rtr rtt rtu rud rue rui ruo rup rur rut ruu tdd tde tdi tdo tdp tdr tdt tdu te- ted tee tei teo tep ter tet teu tid tie tii tio tip tir tit tiu to- tod toe toi too top tor tot tou tpd tpe tpi tpo tpp tpr tpt tpu trd tre tri tro trp trr trt tru ttd tte tti tto ttp ttr ttt ttu tud tue tui tuo tup tur tut tuu udd ude udi udo udp udr udt udu ued uee uei uep uer uet uid uie uii uio uip uir uit uiu uod uoe uoo uop uor uot up- upd upe upi upo upp upr upt upu ur- urd ure uri uro urp urr urt uru utd ute uti uto utp utr utt utu uue uur uut uuu