-er -up ddd dde ddi ddl ddp ddr dds ddu de- ded dee dei del dep der des deu dev di- did die dii dil dip dir dis diu div dl- dld dle dli dll dlp dlr dls dlu dlv dpd dpe dpi dpl dpp dpr dps dpu dpv drd dre dri drl drp drr drs dru drv dsd dse dsi dsl dsp dsr dss dsu dsv dud due dui dul dup dur dus duv dvd dve dvi dvl dvp dvr dvs dvu ed- edd ede edi edl edp edr eds edu eed eee eel eep eer ees eev eid eie eii eil eip eir eis eiu eiv eld ele eli ell elp elr els elu elv ep- epd epe epi epl epp epr eps epu erd ere eri erl erp err ers eru erv es- esd ese esi esl esp esr ess esu esv eu- eud eue eui eul eup eur eus euv evd eve evi evl evp evr evs evv i-d i-v idd ide idi idl idp idr ids idu idv ie- ied iee iei iel iep ier ies iev iid iie iii iil iip iir iis iiu il- ild ile ili ill ilp ilr ils ilu ilv ipd ipe ipi ipl ipp ipr ips ipu ipv ir- ird ire iri irl irp irr irs iru irv is- isd ise isi isl isp isr iss isu isv iu- iud iue iui iup iur ius ivd ive ivi ivl ivp ivr ivs ivu ivv l-p ldd lde ldi ldl ldp ldr lds ldu ldv led lee lei lel lep ler les leu lev lid lie lii lil lip lir lis liu liv lld lle lli lll llp llr lls llu llv lpd lpe lpi lpl lpp lpr lps lpu lpv lrd lri lrp lrr lrs lru lrv lsd lse lsi lsl lsp lsr lss lsu lsv lud lue lui lul lup lur lus luu luv lvd lve lvi lvl lvp lvr lvs lvv p-p pdd pde pdi pdl pdp pdr pds pdu pdv ped pee pei pel pep per pes peu pev pid pie pii pil pip pir pis piu piv pld ple pli pll plp plr pls plu plv ppd ppe ppi ppl ppp ppr pps ppu ppv prd pre pri prl prp prr prs pru prv ps- psd pse psi psl psp psr pss psu psv pud pue pui pul pup pur pus puu pvd pve pvi pvl pvp pvr pvs pvu pvv rdd rde rdi rdl rdp rdr rds rdu rdv re- red ree rei rel rep rer res reu rev rid rie rii ril rip rir ris riv rld rle rli rll rlp rlr rls rlu rpd rpe rpi rpl rpp rpr rps rpu rpv rrd rri rrl rrp rrr rrs rru rsd rse rsi rsl rsp rsr rss rsu rsv rud rue rui rup rur rus ruu ruv rvd rve rvi rvl rvp rvr rvs rvu rvv sdd sde sdi sdl sdp sdr sds sdu sdv se- sed see sei sel sep ser ses seu sev sid sie sii sil sip sir sis siu siv sld sle sli sll slp slr sls slu slv spd spe spi spl spp spr sps spu spv sr- srd sre sri srl srp srr srs srv ss- ssd sse ssi ssl ssp ssr sss ssu ssv sud sue sui sul sup sur sus suu suv svd sve svi svl svp svr svs svu svv udd ude udi udl udp udr uds udu udv ued uee uei uel uep uer ues uid uie uii uil uip uir uis uiu uld ule uli ull ulp ulr uls ulu ulv up- upd upe upi upp upr ups upu upv ur- urd ure uri url urp urr urs uru usd use usi usl usp usr uss usu usv uue uur uus uuu uve uvl uvs uvu uvv v-e vdd vde vdi vdl vdp vdr vds vdu vdv ved vee vei vel vep ver ves veu vi- vid vie vii vil vip vir vis viu viv vl- vld vle vll vlp vls vlv vpd vpe vpi vpl vpp vpr vps vpu vrd vre vri vrp vrr vrs vru vsd vse vsi vsl vsp vsr vss vsu vsv vue vul vup vur vus vuv vvi vvr vvs vvv