-er a-a a-c aaa aac aae aaf aag aah aar aau aav ac- aca acc ace acf acg ach acr acu acv aea aec aee aef aeg aeh aer aeu aev af- afa afc afe aff afg afh afr afu afv ag- aga agc age agf agg agh agr agu agv aha ahc ahe ahf ahg ahh ahr ahu ahv ar- ara arc are arf arg arh arr aru arv au- aua auc aue auf aug auh aur auv av- ava avc ave avf avg avh avr avu c-- caa cac cae caf cag cah car cau cav cca ccc cce ccf ccg cch ccr ccu ccv ce- cea cec cee cef ceg ceh cer ceu cev cfa cfc cfe cff cfg cfh cfr cfu cfv cga cgc cge cgg cgh cgr cgu cgv ch- cha chc che chf chg chh chr chu chv cra crc cre crf crg crh crr cru crv cua cuc cue cuf cug cuh cur cuu cuv cva cvc cve cvf cvg cvh cvr cvu cvv eaa eac eae eaf eag eah ear eau eav ec- eca ecc ece ecf ecg ech ecr ecu ecv eea eec eee eef eeg eer eev ef- efa efc efe eff efg efh efr ega egc ege egf egg egh egr egu eha ehc ehe ehf ehg ehh ehr ehu ehv era erc ere erf erg erh err eru erv eu- eua euc eue euf eug eur euv eva evc eve evf evg evh evr evv faa fac fae faf fag fah far fau fav fca fcc fce fcf fcg fcr fcu fcv fea fec fee fef feg feh fer feu fev ffa ffc ffe fff ffg ffh ffr ffu ffv fga fgc fge fgf fgg fgh fgr fgv fha fhc fhe fhf fhg fhh fhr fhv fra frc fre frf frg frh frr fru fua fue fuf fug fur fuu fuv fva fvc fvg fvh gaa gac gae gaf gag gah gar gau gav gca gcc gce gcf gcg gch gcr gcu ge- gea gec gee gef geg geh ger geu gev gfa gfc gfe gff gfh gfr gga ggc ggg ggh ggr ggu ggv gha ghc ghe ghg ghh ghr gra grc gre grf grg grh grr gru grv gu- gua guc gue guf gug gur guu guv gva gvc gve gvf gvg gvh gvr gvu haa hac hae haf hag hah har hau hav hca hcc hce hcf hcg hch hcr hcv he- hea hec hee hef heg heh her heu hev hfa hfc hfe hff hfg hfh hfr hfu hfv hga hgc hge hgf hgg hgh hgr hgu hgv hha hhc hhe hhf hhg hhh hhr hhu hhv hr- hra hrc hre hrf hrg hrh hrr hru hrv hua huc hue huf hug huh hur huu huv hv- hva hvc hvf hvg hvr hvv ra- raa rac rae raf rag rah rar rau rav rca rcc rce rcf rcg rch rcr rcu rcv re- rea rec ree ref reg reh rer reu rev rfa rfc rfe rff rfg rfh rfr rfu rfv rga rgc rge rgf rgg rgh rgr rgv rh- rha rhc rhe rhf rhg rhh rhr rhu rhv rra rrc rrf rrg rrh rrr rru rua ruc rue ruf rug ruh rur ruu ruv rva rvc rve rvf rvg rvh rvr rvu rvv ua- uaa uac uae uaf uag uah uar uau uav uca ucc uce ucf ucg uch ucr ucu ucv uea uec uee uef ueg ueh uer ufa ufc ufe uff ufg ufh ufr ufu ufv uga ugc uge ugf ugg ugh ugr ugu uha uhc uhe uhf uhh uhr uhu uhv ur- ura urc ure urf urg urr uru uua uuc uue uug uur uuu uva uvc uve uvf uvu uvv v-a v-e vaa vac vae vag vah var vau vav vca vcc vce vcf vch vcr vcu vea vec vee vef veg veh ver veu vfa vfc vff vfg vfr vfu vfv vga vgc vgf vgg vgh vgr vgu vh- vha vhc vhe vhf vra vrc vre vrf vrg vrh vrr vru vue vug vur vuv vva vvc vvg vvr vvv