-er a-a a-c a-t aaa aac aae aam aao aar aat aau ac- aca acc ace acm aco acr act acu aea aec aee aem aeo aer aet aeu ama amc ame amm amo amr amt amu aoa aoc aoe aom aoo aor aot aou ar- ara arc are arm aro arr art aru at- ata atc ate atm ato atr att atu au- aua auc aue aum auo aur aut c-- caa cac cae cam cao car cat cau cca ccc cce ccm cco ccr cct ccu ce- cea cec cee cem ceo cer cet ceu cma cmc cme cmm cmo cmr cmt cmu co- coa coc coe com coo cor cot cou cra crc cre crm cro crr crt cru cta ctc cte ctm cto ctr ctt ctu cua cuc cue cum cuo cur cut cuu eaa eac eae eam eao ear eat eau ec- eca ecc ece ecm eco ecr ect ecu eea eec eee eem eeo eer eet em- ema emc eme emm emo emr emt emu eo- eoa eoc eoe eom eoo eor eot eou era erc ere erm ero err ert eru eta etc ete etm eto etr ett etu eu- eua euc eue eur eut m-o m-r maa mac mae mam mao mar mat mau mc- mca mcc mce mcm mco mcr mct mcu mea mec mee mem meo mer met meu mma mmc mme mmm mmo mmr mmt mmu moa moc moe mom moo mor mot mou mra mrc mre mrm mro mrr mrt mru mta mtc mte mtm mto mtr mtt mtu mua muc mue mum mur mut muu oaa oac oae oam oao oar oat oau oc- oca occ ocm oco ocr oct ocu oea oec oee oem oeo oer oet om- oma omc ome omm omo omr omt omu oo- ooa ooc oom ooo oor oot or- ora orc ore orm oro orr ort oru ot- ota otc ote otm oto otr ott otu ou- oua ouc oue oum ouo our out ra- raa rac rae ram rao rar rat rau rca rcc rce rcm rco rcr rct rcu re- rea rec ree rem reo rer ret reu rma rmc rme rmm rmo rmr rmt roa roc roe rom roo ror rot rou rra rrc rrm rrr rrt rru rta rtc rte rtm rto rtr rtt rtu rua ruc rue rum ruo rur rut ruu taa tac tae tam tao tar tat tau tca tcc tce tcm tco tcr tct tcu te- tea tec tee tem teo ter tet teu tma tmc tme tmm tmo tmr tmt tmu to- toa toc toe tom too tor tot tou tra trc tre trm tro trr trt tru tta ttc tte ttm tto ttr ttt ttu tua tuc tue tum tuo tur tut tuu ua- uaa uac uae uam uao uar uat uau uca ucc uce ucm uco ucr uct ucu uea uec uee uem uer uet um- uma umc ume umm umo umr umt umu uoa uoc uoe uom uoo uor uot ur- ura urc ure urm uro urr urt uru uta utc ute utm uto utr utt utu uua uuc uue uum uur uut uuu