-er -ol -up ddd dde ddf ddi ddl ddo ddp ddr dds ddu ddx de- ded dee def dei del deo dep der des deu dex dfd dfe dff dfi dfl dfo dfp dfr dfs dfu dfx di- did die dif dii dil dio dip dir dis diu dix dl- dld dle dlf dli dll dlo dlp dlr dls dlu dlx dod doe dof doi dol doo dop dor dos dou dox dpd dpe dpf dpi dpl dpo dpp dpr dps dpu drd dre dri drl dro drp drr drs dru drx dsd dse dsf dsi dsl dso dsp dsr dss dsu dsx dud due duf dui dul duo dup dur dus dux dxd dxi dxl dxo dxp dxr dxs dxx ed- edd ede edf edi edl edo edp edr eds edu edx eed eee eef eel eeo eep eer ees eex ef- efd efe eff efi efl efo efp efr efs efx eid eie eif eii eil eio eip eir eis eiu eix eld ele elf eli ell elo elp elr els elu elx eo- eod eoe eof eoi eol eoo eop eor eos eou ep- epd epe epf epi epl epo epp epr eps epu epx erd ere erf eri erl ero erp err ers eru es- esd ese esf esi esl eso esp esr ess esu esx eu- eud eue euf eui eul eup eur eus eux ex- exd exe exi exl exo exp exr exs exu exx fdd fde fdf fdi fdl fdo fdp fdr fds fdu fdx fed fee fef fei fel feo fep fer fes feu fex ffd ffe fff ffi ffl ffo ffp ffr ffs ffu ffx fid fie fif fii fil fip fir fis fiu fix fld fle flf fli fll flo flp flr fls flu flx foe fof foi fol foo fop for fos fou fox fpd fpe fpi fpl fpo fpp fpr fps fpu fpx frd fre frf fri frl fro frp frr frs fru fsd fse fsf fsi fsl fso fsp fsr fss fsu fsx fud fue fuf fui ful fuo fup fur fus fuu fux fxe fxi fxp fxr fxs fxu fxx i-d i-f idd ide idf idi idl ido idp idr ids idu idx ie- ied iee ief iei iel iep ier ies iex ifd ife iff ifi ifl ifo ifp ifr ifs ifu ifx iid iie iif iii iil iio iip iir iis iiu iix il- ild ile ilf ili ill ilo ilp ilr ils ilu ilx io- iod ioe iof ioi iol ioo iop ior ios iou ipd ipe ipf ipi ipl ipo ipp ipr ips ipu ipx ir- ird ire irf iri irl iro irp irr irs iru irx is- isd ise isf isi isl iso isp isr iss isu iu- iud iue iui iup iur ius ixe ixi ixl l-p ldd lde ldf ldi ldl ldo ldp ldr lds ldu led lee lef lei lel leo lep ler les leu lex lfd lfe lff lfi lfl lfo lfp lfr lfs lfu lfx lid lie lif lii lil lio lip lir lis liu lix lld lle llf lli lll llo llp llr lls llu lod loe lof loi lol loo lop lor los lou lox lpd lpe lpf lpi lpl lpo lpp lpr lps lpu lpx lrd lrf lri lro lrp lrr lrs lru lsd lse lsf lsi lsl lso lsp lsr lss lsu lud lue luf lui lul luo lup lur lus luu lux lxd lxi lxo lxr lxx o-i odd ode odf odi odl odo odp odr ods odu oed oee oef oei oel oeo oep oer oes oex of- ofd ofe off ofi ofl ofo ofp ofr ofs ofu ofx oid oie oif oii oil oio oip oir ois oiu old ole olf oli oll olo olp ols olu oo- ood oof ooi ool ooo oop oor oos oox op- opd ope opf opi opl opo opp opr ops opx or- ord ore orf ori orl oro orp orr ors oru orx os- osd ose osf osi osl oso osp osr oss osu osx ou- oud oue ouf oui oul ouo oup our ous ox- oxf oxi oxo oxx p-p pdd pde pdf pdi pdl pdo pdp pdr pds pdu pdx ped pee pef pei pel peo pep per pes peu pex pfd pfe pff pfi pfl pfo pfp pfr pfs pfu pfx pid pie pif pii pil pio pip pir pis piu pix pld ple plf pli pll plo plp plr pls plu plx pod poe pof poi pol poo pop por pos pou pox ppd ppe ppf ppi ppl ppo ppp ppr pps ppu ppx prd pre prf pri prl pro prp prr prs pru prx ps- psd pse psf psi psl pso psp psr pss psu psx pud pue puf pui pul pup pur pus puu pxe pxl pxr pxs rdd rde rdf rdi rdl rdo rdp rdr rds rdu rdx re- red ree ref rei rel reo rep rer res reu rex rfd rfe rff rfi rfl rfo rfp rfr rfs rfu rid rie rif rii ril rio rip rir ris rix rld rle rlf rli rll rlo rlp rlr rls rlu rod roe rof roi rol roo rop ror ros rou rox rpd rpe rpf rpi rpl rpo rpp rpr rps rpu rpx rrd rrf rri rrl rrp rrr rrs rru rsd rse rsf rsi rsl rso rsp rsr rss rsu rsx rud rue ruf rui ruo rup rur rus ruu rux rxp rxr rxs sdd sde sdf sdi sdl sdo sdp sdr sds sdu se- sed see sef sei sel seo sep ser ses seu sex sfd sfe sff sfi sfl sfo sfp sfr sfs sfu sfx sid sie sif sii sil sio sip sir sis siu six sld sle slf sli sll slo slp slr sls slu slx sod soe sof soi sol soo sop sor sos sou sox spd spe spf spi spl spo spp spr sps spu spx sr- srd sre srf sri srl sro srp srr srs srx ss- ssd sse