a-a a-i aaa aad aaf aai aas aau ad- ada add adf adi ads adu af- afa afd aff afi afs afu ai- aia aid aif aii ais aiu as- asa asd asf asi ass asu au- aua aud auf aui aus daa dad daf dai das dau dda ddd ddf ddi dds ddu dfa dfd dff dfi dfs dfu di- dia did dif dii dis diu dsa dsd dsf dsi dss dsu dua dud duf dui dus faa fad faf fai fas fau fda fdd fdf fdi fds fdu ffa ffd fff ffi ffs ffu fia fid fif fii fis fiu fsa fsd fsf fsi fss fsu fua fud fuf fui fus fuu i-d i-f ia- iaa iad iaf iai ias iau ida idd idf idi ids idu ifa ifd iff ifi ifs ifu iia iid iif iii iis iiu is- isa isd isf isi iss isu iu- iua iud iui ius saa sad saf sai sas sau sda sdd sdf sdi sds sdu sfa sfd sff sfi sfs sfu sia sid sif sii sis siu ss- ssa ssd ssf ssi sss ssu sua sud suf sui sus suu ua- uaa uad uaf uai uas uau uda udd udf udi uds udu ufa ufd uff ufi ufs ufu uia uid uif uii uis uiu usa usd usf usi uss usu uua uus uuu