a-a a-i aaa aad aae aaf aai aao aas ad- ada add ade adf adi ado ads aea aed aee aef aei aeo aes af- afa afd afe aff afi afo afs ai- aia aid aie aif aii aio ais aoa aod aoe aof aoi aoo aos as- asa asd ase asf asi aso ass daa dad dae daf dai dao das dda ddd dde ddf ddi ddo dds de- dea ded dee def dei deo des dfa dfd dfe dff dfi dfo dfs di- dia did die dif dii dio dis doa dod doe dof doi doo dos dsa dsd dse dsf dsi dso dss eaa ead eae eaf eai eao eas ed- eda edd ede edf edi edo eds eea eed eee eef eeo ees ef- efa efd efe eff efi efo efs eia eid eie eif eii eio eis eo- eoa eod eoe eof eoi eoo eos es- esa esd ese esf esi eso ess faa fad fae faf fai fao fas fda fdd fde fdf fdi fdo fds fea fed fee fef fei feo fes ffa ffd ffe fff ffi ffo ffs fia fid fie fif fii fis foa foe fof foi foo fos fsa fsd fse fsf fsi fso fss i-d i-f ia- iaa iad iae iaf iai iao ias ida idd ide idf idi ido ids ie- iea ied iee ief iei ies ifa ifd ife iff ifi ifo ifs iia iid iie iif iii iio iis io- ioa iod ioe iof ioi ioo ios is- isa isd ise isf isi iso iss o-i oaa oad oae oaf oai oao oas oda odd ode odf odi odo ods oea oed oee oef oei oeo oes of- ofa ofd ofe off ofi ofo ofs oia oid oie oif oii oio ois oo- ooa ood oof ooi ooo oos os- osa osd ose osf osi oso oss saa sad sae saf sai sao sas sda sdd sde sdf sdi sdo sds se- sea sed see sef sei seo ses sfa sfd sfe sff sfi sfo sfs sia sid sie sif sii sio sis soa sod soe sof soi soo sos ss- ssa ssd sse ssf ssi sso sss