-er -ic a-a a-c a-i aaa aac aae aaf aag aai aao aar aas aau ac- aca acc ace acf acg aci aco acr acs acu aea aec aee aef aeg aei aeo aer aes aeu af- afa afc afe aff afg afi afo afr afs afu ag- aga agc age agf agg agi ago agr ags agu ai- aia aic aie aif aig aii aio air ais aiu aoa aoc aoe aof aog aoi aoo aor aos aou ar- ara arc are arf arg ari aro arr ars aru as- asa asc ase asf asg asi aso asr ass asu au- aua auc aue auf aug aui auo aur aus c-- caa cac cae caf cag cai cao car cas cau cca ccc cce ccf ccg cci cco ccr ccs ccu ce- cea cec cee cef ceg cei ceo cer ces ceu cfa cfc cfe cff cfg cfi cfo cfr cfs cfu cga cgc cge cgg cgi cgo cgr cgs cgu ci- cia cic cie cif cig cii cio cir cis ciu co- coa coc coe cof cog coi coo cor cos cou cra crc cre crf crg cri cro crr crs cru csa csc cse csf csg csi cso csr css csu cua cuc cue cuf cug cui cuo cur cus cuu eaa eac eae eaf eag eai eao ear eas eau ec- eca ecc ece ecf ecg eci eco ecr ecs ecu eea eec eee eef eeg eeo eer ees ef- efa efc efe eff efg efi efo efr efs ega egc ege egf egg egi ego egr egs egu eia eic eie eif eig eii eio eir eis eiu eo- eoa eoc eoe eof eog eoi eoo eor eos eou era erc ere erf erg eri ero err ers eru es- esa esc ese esf esg esi eso esr ess esu eu- eua euc eue euf eug eui eur eus faa fac fae faf fag fai fao far fas fau fca fcc fce fcf fcg fci fco fcr fcs fcu fea fec fee fef feg fei feo fer fes feu ffa ffc ffe fff ffg ffi ffo ffr ffs ffu fga fgc fge fgf fgg fgi fgr fgs fia fic fie fif fig fii fir fis fiu foa foc foe fof fog foi foo for fos fou fra frc fre frf frg fri fro frr frs fru fsa fsc fse fsf fsg fsi fso fsr fss fsu fua fue fuf fug fui fuo fur fus fuu gaa gac gae gaf gag gai gao gar gas gau gca gcc gce gcf gcg gci gco gcr gcs gcu ge- gea gec gee gef geg gei geo ger ges geu gfa gfc gfe gff gfi gfo gfr gfs gga ggc ggg ggi ggo ggr ggs ggu gia gic gie gif gig gii gio gir gis giu goa goc goe gof gog goi goo gor gos gou gra grc gre grf grg gri gro grr grs gru gsa gsc gse gsf gsg gsi gso gsr gss gsu gu- gua guc gue guf gug gui guo gur gus guu i-f ia- iaa iac iae iaf iag iai iao iar ias iau ica icc ice icf icg ici ico icr ics icu ie- iea iec iee ief ieg iei ier ies ifa ifc ife iff ifg ifi ifo ifr ifs ifu iga igc ige igf igg igi igo igr igs igu iia iic iie iif iii iio iir iis iiu io- ioa ioc ioe iof iog ioi ioo ior ios iou ir- ira irc ire irf irg iri iro irr irs iru is- isa isc ise isf isg isi iso isr iss isu iu- iua iuc iue iug iui iur ius o-i oaa oac oae oaf oag oai oao oar oas oau oc- oca occ ocf ocg oci oco ocr ocs ocu oea oec oee oef oeg oei oeo oer oes of- ofa ofc ofe off ofg ofi ofo ofr ofs ofu oga ogc oge ogf ogg ogi ogo ogs oia oic oie oif oii oio oir ois oiu oo- ooa ooc oof oog ooi ooo oor oos or- ora orc ore orf org ori oro orr ors oru os- osa osc ose osf osg osi oso osr oss osu ou- oua ouc oue ouf oui ouo our ous ra- raa rac rae raf rag rai rao rar ras rau rca rcc rce rcf rcg rci rco rcr rcs rcu re- rea rec ree ref reg rei reo rer res reu rfa rfc rfe rff rfg rfi rfo rfr rfs rfu rga rgc rge rgf rgg rgi rgo rgr rgs ria ric rie rif rig rii rio rir ris roa roc roe rof rog roi roo ror ros rou rra rrc rrf rrg rri rrr rrs rru rsa rsc rse rsf rsg rsi rso rsr rss rsu rua ruc rue ruf rug rui ruo rur rus ruu saa sac sae saf sag sai sao sar sas sau sca scc sce scf scg sci sco scr scs scu se- sea sec see sef seg sei seo ser ses seu sfa sfc sfe sff sfg sfi sfo sfr sfs sfu sga sgc sge sgf sgg sgi sgo sgr sgs sgu sia sic sie sif sig sii sio sir sis siu soa soc soe sof sog soi soo sor sos sou sr- sra src sre srf srg sri sro srr srs ss- ssa ssc sse ssf ssg ssi sso ssr sss ssu sua suc sue suf sug sui suo sur sus suu ua- uaa uac uae uaf uag uai uao uar uas uau uca ucc uce ucf ucg uci uco ucr ucs ucu uea uec uee uef ueg uei uer ues ufa ufc ufe uff ufg ufi ufo ufr ufs ufu uga ugc uge ugf ugg ugi ugo ugr ugs ugu uia uic uie uif uig uii uio uir uis uiu uoa uoc uoe uog uoo uor uos ur- ura urc ure urf urg uri uro urr urs uru usa usc use usf usg usi uso usr uss usu uua uuc uue uug uur uus