-ic a-a a-c a-i aaa aac aad aaf aai aas aay ac- aca acc acd acf aci acs acy ad- ada adc add adf adi ads ady af- afa afc afd aff afi afs afy ai- aia aic aid aif aii ais aiy as- asa asc asd asf asi ass asy ay- aya ayc ayd ayf ayi ays c-- caa cac cad caf cai cas cay cca ccc ccd ccf cci ccs cda cdc cdd cdf cdi cds cdy cfa cfc cfd cff cfi cfs ci- cia cic cid cif cii cis csa csc csd csf csi css csy cya cyc cyd cyf cys daa dac dad daf dai das day dca dcc dcd dcf dci dcs dda ddc ddd ddf ddi dds ddy dfa dfc dfd dff dfi dfs di- dia dic did dif dii dis diy dsa dsc dsd dsf dsi dss dsy dy- dya dyc dyd dys dyy faa fac fad faf fai fas fay fca fcc fcd fcf fci fcs fcy fda fdc fdd fdf fdi fds ffa ffc ffd fff ffi ffs ffy fia fic fid fif fii fis fsa fsc fsd fsf fsi fss fy- fya fyc fyi i-d i-f ia- iaa iac iad iaf iai ias ica icc icd icf ici ics icy ida idc idd idf idi ids idy ifa ifc ifd iff ifi ifs ify iia iic iid iif iii iis is- isa isc isd isf isi iss isy iya iyc iys iyy saa sac sad saf sai sas say sca scc scd scf sci scs sda sdc sdd sdf sdi sds sdy sfa sfc sfd sff sfi sfs sia sic sid sif sii sis ss- ssa ssc ssd ssf ssi sss sy- sya syc syd syi sys yaa yac yad yaf yai yas yay yca ycc ycd ycf yci ycs ycy yda yds ydy yfa yfc yfd yff yfs yid yif yii yis ysa ysc ysi yss ysy yyc yyf yys yyy