-er ddd dde ddf ddi ddq ddr ddu de- ded dee def dei deq der deu dfd dfe dff dfi dfq dfr dfu di- did die dif dii diq dir diu dqe drd dre dri drq drr dru dud due duf dui dur ed- edd ede edf edi edr edu eed eee eef eer ef- efd efe eff efi efr eid eie eif eii eir eiu eqe eqf eqq equ erd ere erf eri erq err eru eu- eud eue euf eui eur fdd fde fdf fdi fdr fdu fed fee fef fei fer feu ffd ffe fff ffi ffr ffu fid fie fif fii fiq fir fiu frd fre frf fri frq frr fru fud fue fuf fui fur fuu i-d i-f idd ide idf idi idq idr idu ie- ied iee ief iei ier ifd ife iff ifi ifr ifu iid iie iif iii iir iiu iqd iqe iqu ir- ird ire irf iri irq irr iru iu- iud iue iui iur qdr qed qee qef qfd qfe qff qfi qid qie qir qiu qqq qqu qre qri qru qu- qud que qui qur rdd rde rdf rdi rdr rdu re- red ree ref rei req rer reu rfd rfe rff rfi rfq rfr rfu rid rie rif rii riq rir rrd rrf rri rrq rrr rru rud rue ruf rui rur ruu udd ude udf udi udr udu ued uee uef uei uer ufd ufe uff ufi ufr ufu uid uie uif uii uiq uir uiu ur- urd ure urf uri urr uru uue uur uuu