-er -up ddd dde ddi ddo ddp ddq ddr ddu de- ded dee dei deo dep deq der deu dev di- did die dii dio dip diq dir diu div dod doe doi doo dop doq dor dou dov dpd dpe dpi dpo dpp dpr dpu dpv dqe dqv drd dre dri dro drp drq drr dru drv dud due dui duo dup dur duv dvd dve dvi dvp dvr dvu ed- edd ede edi edo edp edr edu eed eee eeo eep eer eev eid eie eii eio eip eir eiu eiv eo- eod eoe eoi eoo eop eoq eor eou ep- epd epe epi epo epp epq epr epu eqe eqp eqq equ eqv erd ere eri ero erp erq err eru erv eu- eud eue eui eup eur euv evd eve evi evo evp evr evv i-d i-v idd ide idi ido idp idq idr idu idv ie- ied iee iei iep ier iev iid iie iii iio iip iir iiu io- iod ioe ioi ioo iop ior iou iov ipd ipe ipi ipo ipp ipr ipu ipv iqd iqe iqu ir- ird ire iri iro irp irq irr iru irv iu- iud iue iui iup iur ivd ive ivi ivo ivp ivr ivu ivv o-i odd ode odi odo odp odr odu odv oed oee oei oeo oep oer oid oie oii oio oip oir oiu oiv oo- ood ooi ooo oop oor oov op- opd ope opi opo opp opq opr opv oqo or- ord ore ori oro orp orr oru orv ou- oud oue oui ouo oup our ov- ovd ove ovi ovo ovp ovv p-p pdd pde pdi pdo pdp pdq pdr pdu pdv ped pee pei peo pep per peu pev pid pie pii pio pip piq pir piu piv pod poe poi poo pop por pou pov ppd ppe ppi ppo ppp ppq ppr ppu ppv pqi pqq pqr prd pre pri pro prp prq prr pru prv pud pue pui pup pur puu pvd pve pvi pvo pvp pvr pvu pvv qdr qed qee qeo qep qid qie qio qip qir qiu qoi qoo qop qor qpp qpr qqq qqu qre qri qrp qru qu- qud que qui quo qur qv- qvd qve rdd rde rdi rdo rdp rdr rdu rdv re- red ree rei reo rep req rer reu rev rid rie rii rio rip riq rir riv rod roe roi roo rop ror rou rov rpd rpe rpi rpo rpp rpr rpu rpv rrd rri rrp rrq rrr rru rud rue rui ruo rup rur ruu ruv rvd rve rvi rvo rvp rvr rvu rvv udd ude udi udo udp udr udu udv ued uee uei uep uer uid uie uii uio uip uiq uir uiu uod uoe uoo uop uor up- upd upe upi upo upp upr upu upv ur- urd ure uri uro urp urr uru uue uur uuu uve uvo uvu uvv v-e vdd vde vdi vdo vdp vdr vdu vdv ved vee vei veo vep ver veu vi- vid vie vii vio vip vir viu viv vod voe voi voo vop voq vor vou vov vpd vpe vpi vpo vpp vpr vpu vqp vrd vre vri vrp vrr vru vue vup vur vuv vvi vvo vvr vvv