-ic a-a a-c a-i aaa aac aaf aag aai aao aas aau ac- aca acc acf acg aci aco acs acu af- afa afc aff afg afi afo afs afu ag- aga agc agf agg agi ago ags agu ai- aia aic aif aig aii aio ais aiu aoa aoc aof aog aoi aoo aos aou as- asa asc asf asg asi aso ass asu au- aua auc auf aug aui auo aus c-- caa cac caf cag cai cao cas cau cca ccc ccf ccg cci cco ccs ccu cfa cfc cff cfg cfi cfo cfs cfu cga cgc cgg cgi cgo cgs cgu ci- cia cic cif cig cii cio cis ciu co- coa coc cof cog coi coo cos cou csa csc csf csg csi cso css csu cua cuc cuf cug cui cuo cus cuu faa fac faf fag fai fao fas fau fca fcc fcf fcg fci fco fcs fcu ffa ffc fff ffg ffi ffo ffs ffu fga fgc fgf fgg fgi fgs fia fic fif fig fii fis fiu foa foc fof fog foi foo fos fou fsa fsc fsf fsg fsi fso fss fsu fua fuf fug fui fuo fus fuu gaa gac gaf gag gai gao gas gau gca gcc gcf gcg gci gco gcs gcu gfa gfc gff gfi gfo gfs gga ggc ggg ggi ggo ggs ggu gia gic gif gig gii gio gis giu goa goc gof gog goi goo gos gou gsa gsc gsf gsg gsi gso gss gsu gu- gua guc guf gug gui guo gus guu i-f ia- iaa iac iaf iag iai iao ias iau ica icc icf icg ici ico ics icu ifa ifc iff ifg ifi ifo ifs ifu iga igc igf igg igi igo igs igu iia iic iif iii iio iis iiu io- ioa ioc iof iog ioi ioo ios iou is- isa isc isf isg isi iso iss isu iu- iua iuc iug iui ius o-i oaa oac oaf oag oai oao oas oau oc- oca occ ocf ocg oci oco ocs ocu of- ofa ofc off ofg ofi ofo ofs ofu oga ogc ogf ogg ogi ogo ogs oia oic oif oii oio ois oiu oo- ooa ooc oof oog ooi ooo oos os- osa osc osf osg osi oso oss osu ou- oua ouc ouf oui ouo ous saa sac saf sag sai sao sas sau sca scc scf scg sci sco scs scu sfa sfc sff sfg sfi sfo sfs sfu sga sgc sgf sgg sgi sgo sgs sgu sia sic sif sig sii sio sis siu soa soc sof sog soi soo sos sou ss- ssa ssc ssf ssg ssi sso sss ssu sua suc suf sug sui suo sus suu ua- uaa uac uaf uag uai uao uas uau uca ucc ucf ucg uci uco ucs ucu ufa ufc uff ufg ufi ufo ufs ufu uga ugc ugf ugg ugi ugo ugs ugu uia uic uif uig uii uio uis uiu uoa uoc uog uoo uos usa usc usf usg usi uso uss usu uua uuc uug uus uuu