-er -up ddd dde ddl ddp ddr ddt ddu de- ded dee del dep der det deu dl- dld dle dll dlp dlr dlt dlu dpd dpe dpl dpp dpr dpt dpu drd dre drl drp drr drt dru dtd dte dtl dtp dtr dtt dtu dud due dul dup dur dut ed- edd ede edl edp edr edt edu eed eee eel eep eer eet eld ele ell elp elr elt elu ep- epd epe epl epp epr ept epu erd ere erl erp err ert eru etd ete etl etp etr ett etu eu- eud eue eul eup eur eut l-p ldd lde ldl ldp ldr ldt ldu led lee lel lep ler let leu lld lle lll llp llr llt llu lpd lpe lpl lpp lpr lpt lpu lrd lrp lrr lrt lru ltd lte ltl ltp ltr ltt ltu lud lue lul lup lur lut luu p-p pdd pde pdl pdp pdr pdt pdu ped pee pel pep per pet peu pld ple pll plp plr plt plu ppd ppe ppl ppp ppr ppt ppu prd pre prl prp prr prt pru pt- ptd pte ptl ptp ptr ptt ptu pud pue pul pup pur put puu rdd rde rdl rdp rdr rdt rdu re- red ree rel rep rer ret reu rld rle rll rlp rlr rlt rlu rpd rpe rpl rpp rpr rpt rpu rrd rrl rrp rrr rrt rru rtd rte rtl rtp rtr rtt rtu rud rue rup rur rut ruu tdd tde tdl tdp tdr tdt tdu te- ted tee tel tep ter tet teu tld tle tll tlp tlr tlt tlu tpd tpe tpl tpp tpr tpt tpu trd tre trl trp trr trt tru ttd tte ttl ttp ttr ttt ttu tud tue tul tup tur tut tuu udd ude udl udp udr udt udu ued uee uel uep uer uet uld ule ull ulp ulr ult ulu up- upd upe upp upr upt upu ur- urd ure url urp urr urt uru utd ute utl utp utr utt utu uue uur uut uuu