-er a-a a-c aaa aac aae aah aao aar aas aau ac- aca acc ace ach aco acr acs acu aea aec aee aeh aeo aer aes aeu aha ahc ahe ahh aho ahr ahs ahu aoa aoc aoe aoh aoo aor aos aou ar- ara arc are arh aro arr ars aru as- asa asc ase ash aso asr ass asu au- aua auc aue auh auo aur aus c-- caa cac cae cah cao car cas cau cca ccc cce cch cco ccr ccs ccu ce- cea cec cee ceh ceo cer ces ceu ch- cha chc che chh cho chr chs chu co- coa coc coe coh coo cor cos cou cra crc cre crh cro crr crs cru csa csc cse csh cso csr css csu cua cuc cue cuh cuo cur cus cuu eaa eac eae eah eao ear eas eau ec- eca ecc ece ech eco ecr ecs ecu eea eec eee eeo eer ees eha ehc ehe ehh eho ehr ehs ehu eo- eoa eoc eoe eoh eoo eor eos eou era erc ere erh ero err ers eru es- esa esc ese esh eso esr ess esu eu- eua euc eue eur eus haa hac hae hah hao har has hau hca hcc hce hch hco hcr hcs he- hea hec hee heh heo her hes heu hha hhc hhe hhh hho hhr hhs hhu hoa hoc hoe hoh hoo hor hos hou hr- hra hrc hre hrh hro hrr hrs hru hsa hsc hse hsh hsr hss hsu hua huc hue huh huo hur hus huu oaa oac oae oah oao oar oas oau oc- oca occ och oco ocr ocs ocu oea oec oee oeh oeo oer oes oha ohc ohe ohh oho ohr ohs ohu oo- ooa ooc ooh ooo oor oos or- ora orc ore orh oro orr ors oru os- osa osc ose osh oso osr oss osu ou- oua ouc oue ouh ouo our ous ra- raa rac rae rah rao rar ras rau rca rcc rce rch rco rcr rcs rcu re- rea rec ree reh reo rer res reu rh- rha rhc rhe rhh rho rhr rhs rhu roa roc roe roh roo ror ros rou rra rrc rrh rrr rrs rru rsa rsc rse rsh rso rsr rss rsu rua ruc rue ruh ruo rur rus ruu saa sac sae sah sao sar sas sau sca scc sce sch sco scr scs scu se- sea sec see seh seo ser ses seu sh- sha shc she shh sho shr shs shu soa soc soe soh soo sor sos sou sr- sra src sre srh sro srr srs ss- ssa ssc sse ssh sso ssr sss ssu sua suc sue suh suo sur sus suu ua- uaa uac uae uah uao uar uas uau uca ucc uce uch uco ucr ucs ucu uea uec uee ueh uer ues uha uhc uhe uhh uho uhr uhs uhu uoa uoc uoe uoo uor uos ur- ura urc ure uro urr urs uru usa usc use ush uso usr uss usu uua uuc uue uur uus uuu