-ic a-a a-c a-i aaa aac aag aai aao aas aau aay ac- aca acc acg aci aco acs acu acy ag- aga agc agg agi ago ags agu agy ai- aia aic aig aii aio ais aiu aiy aoa aoc aog aoi aoo aos aou as- asa asc asg asi aso ass asu asy au- aua auc aug aui auo aus ay- aya ayc ayi ayo ays ayu c-- caa cac cag cai cao cas cau cay cca ccc ccg cci cco ccs ccu cga cgc cgg cgi cgo cgs cgu cgy ci- cia cic cig cii cio cis ciu co- coa coc cog coi coo cos cou coy csa csc csg csi cso css csu csy cua cuc cug cui cuo cus cuu cuy cya cyc cyg cyo cys gaa gac gag gai gao gas gau gay gca gcc gcg gci gco gcs gcu gga ggc ggg ggi ggo ggs ggu gia gic gig gii gio gis giu giy goa goc gog goi goo gos gou goy gsa gsc gsg gsi gso gss gsu gu- gua guc gug gui guo gus guu guy gy- gya gyo gys ia- iaa iac iag iai iao ias iau ica icc icg ici ico ics icu icy iga igc igg igi igo igs igu igy iia iic iii iio iis iiu io- ioa ioc iog ioi ioo ios iou is- isa isc isg isi iso iss isu isy iu- iua iuc iug iui ius iya iyc iyo iys iyy o-i oaa oac oag oai oao oas oau oc- oca occ ocg oci oco ocs ocu oga ogc ogg ogi ogo ogs ogy oia oic oii oio ois oiu oo- ooa ooc oog ooi ooo oos os- osa osc osg osi oso oss osu ou- oua ouc oui ouo ous oya oyi oyo oys saa sac sag sai sao sas sau say sca scc scg sci sco scs scu sga sgc sgg sgi sgo sgs sgu sia sic sig sii sio sis siu soa soc sog soi soo sos sou soy ss- ssa ssc ssg ssi sso sss ssu sua suc sug sui suo sus suu suy sy- sya syc syg syi sys syu ua- uaa uac uag uai uao uas uau uay uca ucc ucg uci uco ucs ucu uga ugc ugg ugi ugo ugs ugu uia uic uig uii uio uis uiu uoa uoc uog uoo uos usa usc usg usi uso uss usu uua uuc uug uus uuu uyc uyi uyo uys uyu yaa yac yag yai yao yas yau yay yca ycc yci yco ycs ycu ycy yga ygc ygo yig yii yio yis yoc yog yoi yoo yos you yoy ysa ysc ysg ysi yso yss ysu ysy yua yug yui yuo yus yuu yuy yyc yyg yys yyu yyy