-er a-a a-i aaa aad aae aag aai aak aao aar ad- ada add ade adg adi adk ado adr aea aed aee aeg aei aek aeo aer ag- aga agd age agg agi agk ago agr ai- aia aid aie aig aii aik aio air aka akd ake akg aki akk ako akr aoa aod aoe aog aoi aok aoo aor ar- ara ard are arg ari ark aro arr daa dad dae dag dai dak dao dar dda ddd dde ddg ddi ddk ddo ddr de- dea ded dee deg dei dek deo der dga dgd dge dgg dgi dgk dgr di- dia did die dig dii dik dio dir dka dke dkg dki dkk dko dkr doa dod doe dog doi dok doo dor dra drd dre drg dri drk dro drr eaa ead eae eag eai eak eao ear ed- eda edd ede edg edi edk edo edr eea eed eee eeg eek eeo eer ega egd ege egg egi ego egr eia eid eie eig eii eik eio eir eka ekd eke ekg eki eko ekr eo- eoa eod eoe eog eoi eok eoo eor era erd ere erg eri erk ero err g-d gaa gad gae gag gai gak gao gar gda gdd gde gdi gdk gdo gdr ge- gea ged gee geg gei gek geo ger gga ggd ggg ggi ggo ggr gia gid gie gig gii gik gio gir gka gkd gko goa god goe gog goi gok goo gor gra grd gre grg gri grk gro grr i-d ia- iaa iad iae iag iai iao iar ida idd ide idg idi idk ido idr ie- iea ied iee ieg iei iek ier iga igd ige igg igi igk igo igr iia iid iie iii iio iir ika ike iki ikk iko ikr io- ioa iod ioe iog ioi ioo ior ir- ira ird ire irg iri irk iro irr ka- kaa kad kae kag kai kak kao kar kda kde kdg kdk kdo kdr ke- kea ked kee keg kei kek keo ker kga kgd kgi kgo kia kid kie kig kii kik kio kir kke kki kkk kkr koa kod koe kog koi kok koo kor kra krd krg kri krk kro krr o-i oaa oad oae oag oai oak oao oar oda odd ode odg odi odo odr oea oed oee oeg oei oeo oer oga ogd oge ogg ogi ogo oia oid oie oii oik oio oir oka okd oke okg oki okk oko okr oo- ooa ood oog ooi ook ooo oor or- ora ord ore org ori ork oro orr ra- raa rad rae rag rai rak rao rar rda rdd rde rdg rdi rdo rdr re- rea red ree reg rei rek reo rer rga rgd rge rgg rgi rgk rgo rgr ria rid rie rig rii rik rio rir rke rkg rkk rko roa rod roe rog roi rok roo ror rra rrd rrg rri rrk rrr