-er a-a a-c aaa aac aae aah aan aao aar aau ac- aca acc ace ach acn aco acr acu aea aec aee aeh aen aeo aer aeu aha ahc ahe ahh ahn aho ahr ahu an- ana anc ane anh ann ano anr anu aoa aoc aoe aoh aon aoo aor aou ar- ara arc are arh arn aro arr aru au- aua auc aue auh aun auo aur c-- caa cac cae cah can cao car cau cca ccc cce cch ccn cco ccr ccu ce- cea cec cee ceh cen ceo cer ceu ch- cha chc che chh chn cho chr chu cn- cna cnc cne cnh cnn cno cnr cnu co- coa coc coe coh con coo cor cou cra crc cre crh crn cro crr cru cua cuc cue cuh cun cuo cur cuu eaa eac eae eah ean eao ear eau ec- eca ecc ece ech ecn eco ecr ecu eea eec eee een eeo eer eha ehc ehe ehh ehn eho ehr ehu en- ena enc ene enh enn eno enr enu eo- eoa eoc eoe eoh eon eoo eor eou era erc ere erh ern ero err eru eu- eua euc eue eun eur haa hac hae hah han hao har hau hca hcc hce hch hcn hco hcr he- hea hec hee heh hen heo her heu hha hhc hhe hhh hhn hho hhr hhu hna hnc hne hnh hnn hno hnu hoa hoc hoe hoh hon hoo hor hou hr- hra hrc hre hrh hrn hro hrr hru hua huc hue huh hun huo hur huu naa nac nae nah nan nao nar nau nca ncc nce nch ncn nco ncr ncu ne- nea nec nee neh nen neo ner neu nha nhc nhe nhh nhn nhr nhu nna nnc nne nnh nnn nno nnu no- noa noc noe noh non noo nor nou nra nrc nre nrn nro nrr nru nua nuc nue nuh nun nuo nur nuu oaa oac oae oah oan oao oar oau oc- oca occ och ocn oco ocr ocu oea oec oee oeh oen oeo oer oha ohc ohe ohh ohn oho ohr ohu on- ona onc one onh onn ono onr onu oo- ooa ooc ooh oon ooo oor or- ora orc ore orh orn oro orr oru ou- oua ouc oue ouh oun ouo our ra- raa rac rae rah ran rao rar rau rca rcc rce rch rcn rco rcr rcu re- rea rec ree reh ren reo rer reu rh- rha rhc rhe rhh rhn rho rhr rhu rna rnc rnh rnn rno rnr rnu roa roc roe roh ron roo ror rou rra rrc rrh rrn rrr rru rua ruc rue ruh run ruo rur ruu ua- uaa uac uae uah uan uao uar uau uca ucc uce uch ucn uco ucr ucu uea uec uee ueh uen uer uha uhc uhe uhh uho uhr uhu un- una unc une unh unn uno unr unu uoa uoc uoe uon uoo uor ur- ura urc ure urn uro urr uru uua uuc uue uun uur uuu