-er a-a a-c a-z aaa aac aae aam aar aas aau aaz ac- aca acc ace acm acr acs acu acz aea aec aee aem aer aes aeu aez ama amc ame amm amr ams amu amz ar- ara arc are arm arr ars aru arz as- asa asc ase asm asr ass asu asz au- aua auc aue aum aur aus auz az- aza aze azm azs azu azz c-- caa cac cae cam car cas cau caz cca ccc cce ccm ccr ccs ccu ccz ce- cea cec cee cem cer ces ceu cez cma cmc cme cmm cmr cms cmu cra crc cre crm crr crs cru crz csa csc cse csm csr css csu csz cua cuc cue cum cur cus cuu cuz cz- czc cze czm eaa eac eae eam ear eas eau eaz ec- eca ecc ece ecm ecr ecs ecu eea eec eee eem eer ees em- ema emc eme emm emr ems emu era erc ere erm err ers eru erz es- esa esc ese esm esr ess esu eu- eua euc eue eur eus eze ezr ezs ezz m-r maa mac mae mam mar mas mau maz mc- mca mcc mce mcm mcr mcs mcu mcz mea mec mee mem mer mes meu mez mma mmc mme mmm mmr mms mmu mmz mra mrc mre mrm mrr mrs mru mrz msa msc mse msm msr mss msu mua muc mue mum mur mus muu mza mzm ra- raa rac rae ram rar ras rau raz rca rcc rce rcm rcr rcs rcu re- rea rec ree rem rer res reu rez rma rmc rme rmm rmr rms rra rrc rrm rrr rrs rru rsa rsc rse rsm rsr rss rsu rua ruc rue rum rur rus ruu ruz rza rze rzm saa sac sae sam sar sas sau saz sca scc sce scm scr scs scu se- sea sec see sem ser ses seu sez sma smc sme smm smr sms smu smz sr- sra src sre srm srr srs ss- ssa ssc sse ssm ssr sss ssu ssz sua suc sue sum sur sus suu suz sza sze szr szu ua- uaa uac uae uam uar uas uau uaz uca ucc uce ucm ucr ucs ucu uea uec uee uem uer ues um- uma umc ume umm umr ums umu ur- ura urc ure urm urr urs uru urz usa usc use usm usr uss usu usz uua uuc uue uum uur uus uuu uza uzu zaa zac zam zar zas zaz zce zcs zea zec zee zem zer zes zez zma zmc zmm zms zrs zsa zse zsm zsu zsz zuc zum zur zus zuz zzr zzs zzz