-er ddd dde ddi ddp ddr ddw de- ded dee dei dep der dew di- did die dii dip dir diw dpd dpe dpi dpp dpr dpw drd dre dri drp drr drw dwe dwi dwp dwr dww ed- edd ede edi edp edr edw eed eee eep eer eew eid eie eii eip eir ep- epd epe epi epp epr epw erd ere eri erp err erw ewd ewe ewi ewp ewr eww i-d idd ide idi idp idr idw ie- ied iee iei iep ier iid iie iii iip iir iiw ipd ipe ipi ipp ipr ir- ird ire iri irp irr iwd iwe iwi iwp iwr iww p-p pdd pde pdi pdp pdr ped pee pei pep per pew pid pie pii pip pir piw ppd ppe ppi ppp ppr ppw prd pre pri prp prr prw pwd pwe pwi pwp pwr rdd rde rdi rdp rdr re- red ree rei rep rer rew rid rie rii rip rir rpd rpe rpi rpp rpr rpw rrd rri rrp rrr rwd rwe rwi rwr wdi wdp wdr wed wee wei wep wer wew wid wie wii wip wir wpd wpe wpi wpp wpr wr- wrd wre wri wrp wrr wrw wwd wwe wwi wwp www