-er -ol ddd dde ddf ddi ddl ddo ddr ddu ddx de- ded dee def dei del deo der deu dex dfd dfe dff dfi dfl dfo dfr dfu dfx di- did die dif dii dil dio dir diu dix dl- dld dle dlf dli dll dlo dlr dlu dlx dod doe dof doi dol doo dor dou dox drd dre dri drl dro drr dru drx dud due duf dui dul duo dur dux dxd dxi dxl dxo dxr dxx ed- edd ede edf edi edl edo edr edu edx eed eee eef eel eeo eer eex ef- efd efe eff efi efl efo efr efx eid eie eif eii eil eio eir eiu eix eld ele elf eli ell elo elr elu elx eo- eod eoe eof eoi eol eoo eor eou erd ere erf eri erl ero err eru eu- eud eue euf eui eul eur eux ex- exd exe exi exl exo exr exu exx fdd fde fdf fdi fdl fdo fdr fdu fdx fed fee fef fei fel feo fer feu fex ffd ffe fff ffi ffl ffo ffr ffu ffx fid fie fif fii fil fir fiu fix fld fle flf fli fll flo flr flu flx foe fof foi fol foo for fou fox frd fre frf fri frl fro frr fru fud fue fuf fui ful fuo fur fuu fux fxe fxi fxr fxu fxx i-d i-f idd ide idf idi idl ido idr idu idx ie- ied iee ief iei iel ier iex ifd ife iff ifi ifl ifo ifr ifu ifx iid iie iif iii iil iio iir iiu iix il- ild ile ilf ili ill ilo ilr ilu ilx io- iod ioe iof ioi iol ioo ior iou ir- ird ire irf iri irl iro irr iru irx iu- iud iue iui iur ixe ixi ixl ldd lde ldf ldi ldl ldo ldr ldu led lee lef lei lel leo ler leu lex lfd lfe lff lfi lfl lfo lfr lfu lfx lid lie lif lii lil lio lir liu lix lld lle llf lli lll llo llr llu lod loe lof loi lol loo lor lou lox lrd lrf lri lro lrr lru lud lue luf lui lul luo lur luu lux lxd lxi lxo lxr lxx o-i odd ode odf odi odl odo odr odu oed oee oef oei oel oeo oer oex of- ofd ofe off ofi ofl ofo ofr ofu ofx oid oie oif oii oil oio oir oiu old ole olf oli oll olo olu oo- ood oof ooi ool ooo oor oox or- ord ore orf ori orl oro orr oru orx ou- oud oue ouf oui oul ouo our ox- oxf oxi oxo oxx rdd rde rdf rdi rdl rdo rdr rdu rdx re- red ree ref rei rel reo rer reu rex rfd rfe rff rfi rfl rfo rfr rfu rid rie rif rii ril rio rir rix rld rle rlf rli rll rlo rlr rlu rod roe rof roi rol roo ror rou rox rrd rrf rri rrl rrr rru rud rue ruf rui ruo rur ruu rux rxr udd ude udf udi udl udo udr udu udx ued uee uef uei uel uer ufd ufe uff ufi ufl ufo ufr ufu ufx uid uie uif uii uil uio uir uiu uld ule ulf uli ull ulo ulr ulu uod uoe uol uoo uor uox ur- urd ure urf uri url uro urr uru urx uue uur uuu uxf uxo uxr uxu xde xdf xdi xdr xed xee xel xer xeu xex xfe xfl xfx xie xii xio xiu xix xld xlf xli xlr xod xof xoi xoo xor xox xrd xrf xrx xue xui xul xxi xxl xxo xxx