-er a-a a-c aaa aac aae aag aah aan aao aar aau ac- aca acc ace acg ach acn aco acr acu aea aec aee aeg aeh aen aeo aer aeu ag- aga agc age agg agh agn ago agr agu aha ahc ahe ahg ahh ahn aho ahr ahu an- ana anc ane ang anh ann ano anr anu aoa aoc aoe aog aoh aon aoo aor aou ar- ara arc are arg arh arn aro arr aru au- aua auc aue aug auh aun auo aur c-- caa cac cae cag cah can cao car cau cca ccc cce ccg cch ccn cco ccr ccu ce- cea cec cee ceg ceh cen ceo cer ceu cga cgc cge cgg cgh cgn cgo cgr cgu ch- cha chc che chg chh chn cho chr chu cn- cna cnc cne cng cnh cnn cno cnr cnu co- coa coc coe cog coh con coo cor cou cra crc cre crg crh crn cro crr cru cua cuc cue cug cuh cun cuo cur cuu eaa eac eae eag eah ean eao ear eau ec- eca ecc ece ecg ech ecn eco ecr ecu eea eec eee eeg een eeo eer ega egc ege egg egh egn ego egr egu eha ehc ehe ehg ehh ehn eho ehr ehu en- ena enc ene eng enh enn eno enr enu eo- eoa eoc eoe eog eoh eon eoo eor eou era erc ere erg erh ern ero err eru eu- eua euc eue eug eun eur gaa gac gae gag gah gan gao gar gau gca gcc gce gcg gch gcn gco gcr gcu ge- gea gec gee geg geh gen geo ger geu gga ggc ggg ggh ggn ggo ggr ggu gha ghc ghe ghg ghh ghn gho ghr gna gnc gne gnn gno gnr gnu goa goc goe gog goh gon goo gor gou gra grc gre grg grh grn gro grr gru gu- gua guc gue gug gun guo gur guu haa hac hae hag hah han hao har hau hca hcc hce hcg hch hcn hco hcr he- hea hec hee heg heh hen heo her heu hga hgc hge hgg hgh hgn hgo hgr hgu hha hhc hhe hhg hhh hhn hho hhr hhu hna hnc hne hng hnh hnn hno hnu hoa hoc hoe hog hoh hon hoo hor hou hr- hra hrc hre hrg hrh hrn hro hrr hru hua huc hue hug huh hun huo hur huu naa nac nae nag nah nan nao nar nau nca ncc nce ncg nch ncn nco ncr ncu ne- nea nec nee neg neh nen neo ner neu nga ngc nge ngg ngh ngn ngo ngu nha nhc nhe nhg nhh nhn nhr nhu nna nnc nne nng nnh nnn nno nnu no- noa noc noe nog noh non noo nor nou nra nrc nre nrg nrn nro nrr nru nua nuc nue nug nuh nun nuo nur nuu oaa oac oae oag oah oan oao oar oau oc- oca occ ocg och ocn oco ocr ocu oea oec oee oeg oeh oen oeo oer oga ogc oge ogg ogh ogn ogo oha ohc ohe ohg ohh ohn oho ohr ohu on- ona onc one ong onh onn ono onr onu oo- ooa ooc oog ooh oon ooo oor or- ora orc ore org orh orn oro orr oru ou- oua ouc oue ouh oun ouo our ra- raa rac rae rag rah ran rao rar rau rca rcc rce rcg rch rcn rco rcr rcu re- rea rec ree reg reh ren reo rer reu rga rgc rge rgg rgh rgn rgo rgr rh- rha rhc rhe rhg rhh rhn rho rhr rhu rna rnc rng rnh rnn rno rnr rnu roa roc roe rog roh ron roo ror rou rra rrc rrg rrh rrn rrr rru rua ruc rue rug ruh run ruo rur ruu ua- uaa uac uae uag uah uan uao uar uau uca ucc uce ucg uch ucn uco ucr ucu uea uec uee ueg ueh uen uer uga ugc uge ugg ugh ugn ugo ugr ugu uha uhc uhe uhh uho uhr uhu un- una unc une ung unh unn uno unr unu uoa uoc uoe uog uon uoo uor ur- ura urc ure urg urn uro urr uru uua uuc uue uug uun uur uuu