-er ddd dde ddi ddo ddp ddr ddt de- ded dee dei deo dep der det dev di- did die dii dio dip dir dit div dod doe doi doo dop dor dot dov dpd dpe dpi dpo dpp dpr dpt dpv drd dre dri dro drp drr drt drv dtd dte dti dto dtp dtr dtt dtv dvd dve dvi dvp dvr dvt ed- edd ede edi edo edp edr edt eed eee eeo eep eer eet eev eid eie eii eio eip eir eit eiv eo- eod eoe eoi eoo eop eor eot ep- epd epe epi epo epp epr ept erd ere eri ero erp err ert erv etd ete eti eto etp etr ett etv evd eve evi evo evp evr evt evv i-d i-v idd ide idi ido idp idr idt idv ie- ied iee iei iep ier iet iev iid iie iii iio iip iir iit io- iod ioe ioi ioo iop ior iot iov ipd ipe ipi ipo ipp ipr ipt ipv ir- ird ire iri iro irp irr irt irv itd ite iti ito itp itt itv ivd ive ivi ivo ivp ivr ivt ivv o-i odd ode odi odo odp odr odt odv oed oee oei oeo oep oer oet oid oie oii oio oip oir oit oiv oo- ood ooi ooo oop oor oot oov op- opd ope opi opo opp opr opt opv or- ord ore ori oro orp orr ort orv ot- otd ote oti oto otp otr ott otv ov- ovd ove ovi ovo ovp ovv p-p pdd pde pdi pdo pdp pdr pdt pdv ped pee pei peo pep per pet pev pid pie pii pio pip pir pit piv pod poe poi poo pop por pot pov ppd ppe ppi ppo ppp ppr ppt ppv prd pre pri pro prp prr prt prv pt- ptd pte pti pto ptp ptr ptt ptv pvd pve pvi pvo pvp pvr pvt pvv rdd rde rdi rdo rdp rdr rdt rdv re- red ree rei reo rep rer ret rev rid rie rii rio rip rir rit riv rod roe roi roo rop ror rot rov rpd rpe rpi rpo rpp rpr rpt rpv rrd rri rrp rrr rrt rtd rte rti rto rtp rtr rtt rtv rvd rve rvi rvo rvp rvr rvt rvv tdd tde tdi tdo tdp tdr tdt tdv te- ted tee tei teo tep ter tet tev tid tie tii tio tip tir tit tiv to- tod toe toi too top tor tot tov tpd tpe tpi tpo tpp tpr tpt tpv trd tre tri tro trp trr trt trv ttd tte tti tto ttp ttr ttt ttv tvd tve tvi tvo tvp tvr tvt v-e vdd vde vdi vdo vdp vdr vdt vdv ved vee vei veo vep ver vet vi- vid vie vii vio vip vir vit viv vod voe voi voo vop vor vot vov vpd vpe vpi vpo vpp vpr vpt vrd vre vri vrp vrr vrt vte vti vto vtr vtt vtv vvi vvo vvr vvt vvv