-er a-a a-c a-t aaa aac aae aam aao aar aas aat aau ac- aca acc ace acm aco acr acs act acu aea aec aee aem aeo aer aes aet aeu ama amc ame amm amo amr ams amt amu aoa aoc aoe aom aoo aor aos aot aou ar- ara arc are arm aro arr ars art aru as- asa asc ase asm aso asr ass ast asu at- ata atc ate atm ato atr ats att atu au- aua auc aue aum auo aur aus aut c-- caa cac cae cam cao car cas cat cau cca ccc cce ccm cco ccr ccs cct ccu ce- cea cec cee cem ceo cer ces cet ceu cma cmc cme cmm cmo cmr cms cmt cmu co- coa coc coe com coo cor cos cot cou cra crc cre crm cro crr crs crt cru csa csc cse csm cso csr css cst csu cta ctc cte ctm cto ctr cts ctt ctu cua cuc cue cum cuo cur cus cut cuu eaa eac eae eam eao ear eas eat eau ec- eca ecc ece ecm eco ecr ecs ect ecu eea eec eee eem eeo eer ees eet em- ema emc eme emm emo emr ems emt emu eo- eoa eoc eoe eom eoo eor eos eot eou era erc ere erm ero err ers ert eru es- esa esc ese esm eso esr ess est esu eta etc ete etm eto etr ets ett etu eu- eua euc eue eur eus eut m-o m-r maa mac mae mam mao mar mas mat mau mc- mca mcc mce mcm mco mcr mcs mct mcu mea mec mee mem meo mer mes met meu mma mmc mme mmm mmo mmr mms mmt mmu moa moc moe mom moo mor mos mot mou mra mrc mre mrm mro mrr mrs mrt mru msa msc mse msm mso msr mss mst msu mta mtc mte mtm mto mtr mts mtt mtu mua muc mue mum mur mus mut muu oaa oac oae oam oao oar oas oat oau oc- oca occ ocm oco ocr ocs oct ocu oea oec oee oem oeo oer oes oet om- oma omc ome omm omo omr oms omt omu oo- ooa ooc oom ooo oor oos oot or- ora orc ore orm oro orr ors ort oru os- osa osc ose osm oso osr oss ost osu ot- ota otc ote otm oto otr ots ott otu ou- oua ouc oue oum ouo our ous out ra- raa rac rae ram rao rar ras rat rau rca rcc rce rcm rco rcr rcs rct rcu re- rea rec ree rem reo rer res ret reu rma rmc rme rmm rmo rmr rms rmt roa roc roe rom roo ror ros rot rou rra rrc rrm rrr rrs rrt rru rsa rsc rse rsm rso rsr rss rst rsu rta rtc rte rtm rto rtr rts rtt rtu rua ruc rue rum ruo rur rus rut ruu saa sac sae sam sao sar sas sat sau sca scc sce scm sco scr scs sct scu se- sea sec see sem seo ser ses set seu sma smc sme smm smo smr sms smt smu soa soc soe som soo sor sos sot sou sr- sra src sre srm sro srr srs srt ss- ssa ssc sse ssm sso ssr sss sst ssu sta stc ste stm sto str sts stt stu sua suc sue sum suo sur sus sut suu taa tac tae tam tao tar tas tat tau tca tcc tce tcm tco tcr tcs tct tcu te- tea tec tee tem teo ter tes tet teu tma tmc tme tmm tmo tmr tms tmt tmu to- toa toc toe tom too tor tos tot tou tra trc tre trm tro trr trs trt tru tsa tsc tse tsm tso tsr tss tst tsu tta ttc tte ttm tto ttr tts ttt ttu tua tuc tue tum tuo tur tus tut tuu ua- uaa uac uae uam uao uar uas uat uau uca ucc uce ucm uco ucr ucs uct ucu uea uec uee uem uer ues uet um- uma umc ume umm umo umr ums umt umu uoa uoc uoe uom uoo uor uos uot ur- ura urc ure urm uro urr urs urt uru usa usc use usm uso usr uss ust usu uta utc ute utm uto utr uts utt utu uua uuc uue uum uur uus uut uuu