-er ddd dde ddi ddm ddo ddp ddr ddt de- ded dee dei dem deo dep der det di- did die dii dim dio dip dir dit dmd dme dmi dmm dmo dmp dmr dmt dod doe doi dom doo dop dor dot dpd dpe dpi dpm dpo dpp dpr dpt drd dre dri drm dro drp drr drt dtd dte dti dtm dto dtp dtr dtt ed- edd ede edi edm edo edp edr edt eed eee eem eeo eep eer eet eid eie eii eim eio eip eir eit em- emd eme emi emm emo emp emr emt eo- eod eoe eoi eom eoo eop eor eot ep- epd epe epi epm epo epp epr ept erd ere eri erm ero erp err ert etd ete eti etm eto etp etr ett i-d idd ide idi idm ido idp idr idt ie- ied iee iei iem iep ier iet iid iie iii iim iio iip iir iit im- imd ime imi imm imo imp imt io- iod ioe ioi iom ioo iop ior iot ipd ipe ipi ipm ipo ipp ipr ipt ir- ird ire iri irm iro irp irr irt itd ite iti itm ito itp itt m-o m-r mdd mde mdi mdm mdo mdp mdr mdt med mee mei mem meo mep mer met mi- mid mie mii mim mio mip mir mit mmd mme mmi mmm mmo mmp mmr mmt mod moe moi mom moo mop mor mot mpd mpe mpi mpm mpo mpp mpr mpt mrd mre mri mrm mro mrp mrr mrt mtd mte mti mtm mto mtp mtr mtt o-i odd ode odi odm odo odp odr odt oed oee oei oem oeo oep oer oet oid oie oii oim oio oip oir oit om- omd ome omi omm omo omp omr omt oo- ood ooi oom ooo oop oor oot op- opd ope opi opm opo opp opr opt or- ord ore ori orm oro orp orr ort ot- otd ote oti otm oto otp otr ott p-p pdd pde pdi pdm pdo pdp pdr pdt ped pee pei pem peo pep per pet pid pie pii pim pio pip pir pit pmd pme pmi pmm pmo pmp pmr pmt pod poe poi pom poo pop por pot ppd ppe ppi ppm ppo ppp ppr ppt prd pre pri prm pro prp prr prt pt- ptd pte pti ptm pto ptp ptr ptt rdd rde rdi rdm rdo rdp rdr rdt re- red ree rei rem reo rep rer ret rid rie rii rim rio rip rir rit rmd rme rmi rmm rmo rmp rmr rmt rod roe roi rom roo rop ror rot rpd rpe rpi rpm rpo rpp rpr rpt rrd rri rrm rrp rrr rrt rtd rte rti rtm rto rtp rtr rtt tdd tde tdi tdm tdo tdp tdr tdt te- ted tee tei tem teo tep ter tet tid tie tii tim tio tip tir tit tmd tme tmi tmm tmo tmp tmr tmt to- tod toe toi tom too top tor tot tpd tpe tpi tpm tpo tpp tpr tpt trd tre tri trm tro trp trr trt ttd tte tti ttm tto ttp ttr ttt