-al -ic -ol a-a a-c a-i aaa aac aad aaf aai aal aao aas ac- aca acc acd acf aci acl aco acs ad- ada adc add adf adi adl ado ads af- afa afc afd aff afi afl afo afs ai- aia aic aid aif aii ail aio ais al- ala alc ald alf ali all alo als aoa aoc aod aof aoi aol aoo aos as- asa asc asd asf asi asl aso ass c-- caa cac cad caf cai cal cao cas cca ccc ccd ccf cci ccl cco ccs cda cdc cdd cdf cdi cdl cdo cds cfa cfc cfd cff cfi cfl cfo cfs ci- cia cic cid cif cii cil cio cis cl- cla clc cld clf cli cll clo cls co- coa coc cod cof coi col coo cos csa csc csd csf csi csl cso css daa dac dad daf dai dal dao das dca dcc dcd dcf dci dcl dco dcs dda ddc ddd ddf ddi ddl ddo dds dfa dfc dfd dff dfi dfl dfo dfs di- dia dic did dif dii dil dio dis dl- dla dlc dld dlf dli dll dlo dls doa doc dod dof doi dol doo dos dsa dsc dsd dsf dsi dsl dso dss faa fac fad faf fai fal fao fas fca fcc fcd fcf fci fcl fco fcs fda fdc fdd fdf fdi fdl fdo fds ffa ffc ffd fff ffi ffl ffo ffs fia fic fid fif fii fil fis fla flc fld flf fli fll flo fls foa foc fof foi fol foo fos fsa fsc fsd fsf fsi fsl fso fss i-d i-f ia- iaa iac iad iaf iai ial iao ias ica icc icd icf ici icl ico ics ida idc idd idf idi idl ido ids ifa ifc ifd iff ifi ifl ifo ifs iia iic iid iif iii iil iio iis il- ila ilc ild ilf ili ill ilo ils io- ioa ioc iod iof ioi iol ioo ios is- isa isc isd isf isi isl iso iss la- laa lac lad laf lai lal lao las lca lcc lcd lcf lci lcl lco lcs lda ldc ldd ldf ldi ldl ldo lds lfa lfc lfd lff lfi lfl lfo lfs lia lic lid lif lii lil lio lis lla llc lld llf lli lll llo lls loa loc lod lof loi lol loo los lsa lsc lsd lsf lsi lsl lso lss o-i oaa oac oad oaf oai oal oao oas oc- oca occ ocd ocf oci ocl oco ocs oda odc odd odf odi odl odo ods of- ofa ofc ofd off ofi ofl ofo ofs oia oic oid oif oii oil oio ois ola olc old olf oli oll olo ols oo- ooa ooc ood oof ooi ool ooo oos os- osa osc osd osf osi osl oso oss saa sac sad saf sai sal sao sas sca scc scd scf sci scl sco scs sda sdc sdd sdf sdi sdl sdo sds sfa sfc sfd sff sfi sfl sfo sfs sia sic sid sif sii sil sio sis sla slc sld slf sli sll slo sls soa soc sod sof soi sol soo sos ss- ssa ssc ssd ssf ssi ssl sso sss