-er -ic a-a a-c a-i aaa aac aae aai aao aar aas aau ac- aca acc ace aci aco acr acs acu aea aec aee aei aeo aer aes aeu ai- aia aic aie aii aio air ais aiu aoa aoc aoe aoi aoo aor aos aou ar- ara arc are ari aro arr ars aru as- asa asc ase asi aso asr ass asu au- aua auc aue aui auo aur aus c-- caa cac cae cai cao car cas cau cca ccc cce cci cco ccr ccs ccu ce- cea cec cee cei ceo cer ces ceu ci- cia cic cie cii cio cir cis ciu co- coa coc coe coi coo cor cos cou cra crc cre cri cro crr crs cru csa csc cse csi cso csr css csu cua cuc cue cui cuo cur cus cuu eaa eac eae eai eao ear eas eau ec- eca ecc ece eci eco ecr ecs ecu eea eec eee eeo eer ees eia eic eie eii eio eir eis eiu eo- eoa eoc eoe eoi eoo eor eos eou era erc ere eri ero err ers eru es- esa esc ese esi eso esr ess esu eu- eua euc eue eui eur eus ia- iaa iac iae iai iao iar ias iau ica icc ice ici ico icr ics icu ie- iea iec iee iei ier ies iia iic iie iii iio iir iis iiu io- ioa ioc ioe ioi ioo ior ios iou ir- ira irc ire iri iro irr irs iru is- isa isc ise isi iso isr iss isu iu- iua iuc iue iui iur ius o-i oaa oac oae oai oao oar oas oau oc- oca occ oci oco ocr ocs ocu oea oec oee oei oeo oer oes oia oic oie oii oio oir ois oiu oo- ooa ooc ooi ooo oor oos or- ora orc ore ori oro orr ors oru os- osa osc ose osi oso osr oss osu ou- oua ouc oue oui ouo our ous ra- raa rac rae rai rao rar ras rau rca rcc rce rci rco rcr rcs rcu re- rea rec ree rei reo rer res reu ria ric rie rii rio rir ris roa roc roe roi roo ror ros rou rra rrc rri rrr rrs rru rsa rsc rse rsi rso rsr rss rsu rua ruc rue rui ruo rur rus ruu saa sac sae sai sao sar sas sau sca scc sce sci sco scr scs scu se- sea sec see sei seo ser ses seu sia sic sie sii sio sir sis siu soa soc soe soi soo sor sos sou sr- sra src sre sri sro srr srs ss- ssa ssc sse ssi sso ssr sss ssu sua suc sue sui suo sur sus suu ua- uaa uac uae uai uao uar uas uau uca ucc uce uci uco ucr ucs ucu uea uec uee uei uer ues uia uic uie uii uio uir uis uiu uoa uoc uoe uoo uor uos ur- ura urc ure uri uro urr urs uru usa usc use usi uso usr uss usu uua uuc uue uur uus uuu