-er a-a a-c aaa aac aae aah aak aan aar aau ac- aca acc ace ach ack acn acr acu aea aec aee aeh aek aen aer aeu aha ahc ahe ahh ahk ahn ahr ahu aka akc ake akh akk akn akr aku an- ana anc ane anh ank ann anr anu ar- ara arc are arh ark arn arr aru au- aua auc aue auh auk aun aur c-- caa cac cae cah cak can car cau cca ccc cce cch cck ccn ccr ccu ce- cea cec cee ceh cek cen cer ceu ch- cha chc che chh chk chn chr chu cka ckc ckh cn- cna cnc cne cnh cnn cnr cnu cra crc cre crh crk crn crr cru cua cuc cue cuh cuk cun cur cuu eaa eac eae eah eak ean ear eau ec- eca ecc ece ech eck ecn ecr ecu eea eec eee eek een eer eha ehc ehe ehh ehn ehr ehu eka ekc eke ekh ekr eku en- ena enc ene enh enk enn enr enu era erc ere erh erk ern err eru eu- eua euc eue eun eur haa hac hae hah hak han har hau hca hcc hce hch hck hcn hcr he- hea hec hee heh hek hen her heu hha hhc hhe hhh hhk hhn hhr hhu hka hkh hkk hkn hkr hku hna hnc hne hnh hnk hnn hnu hr- hra hrc hre hrh hrk hrn hrr hru hua huc hue huh huk hun hur huu ka- kaa kac kae kah kak kan kar kau kca kcc kce kch kck kcn kcr kcu ke- kea kec kee keh kek ken ker kha khe khh khk khn khr khu kkc kke kkh kkk kkn kkr kku kn- kna knc kne knk knn knr knu kra krc krk krn krr kru kuc kue kuh kuk kun kur kuu naa nac nae nah nak nan nar nau nca ncc nce nch nck ncn ncr ncu ne- nea nec nee neh nek nen ner neu nha nhc nhe nhh nhk nhn nhr nhu nka nkc nke nkk nkn nkr nku nna nnc nne nnh nnk nnn nnu nra nrc nre nrk nrn nrr nru nua nuc nue nuh nuk nun nur nuu ra- raa rac rae rah rak ran rar rau rca rcc rce rch rcn rcr rcu re- rea rec ree reh rek ren rer reu rh- rha rhc rhe rhh rhn rhr rhu rkc rke rkk rku rna rnc rnh rnn rnr rnu rra rrc rrh rrk rrn rrr rru rua ruc rue ruh ruk run rur ruu ua- uaa uac uae uah uak uan uar uau uca ucc uce uch uck ucn ucr ucu uea uec uee ueh uen uer uha uhc uhe uhh uhr uhu uka ukc uke ukk ukn ukr uku un- una unc une unh unk unn unr unu ur- ura urc ure urk urn urr uru uua uuc uue uun uur uuu