-er -ic a-a a-b a-c a-i aaa aab aac aae aai aam aan aar aau ab- aba abb abc abe abi abm abn abr abu ac- aca acb acc ace aci acm acn acr acu aea aeb aec aee aei aem aen aer aeu ai- aia aib aic aie aii aim ain air aiu ama amb amc ame ami amm amn amr amu an- ana anb anc ane ani anm ann anr anu ar- ara arb arc are ari arm arn arr aru au- aua aub auc aue aui aum aun aur b-u baa bab bac bae bai bam ban bar bau bba bbb bbc bbe bbi bbm bbn bbr bbu bca bcb bcc bce bci bcm bcn bcr bcu be- bea beb bec bee bei bem ben ber beu bi- bia bib bic bie bii bim bin bir biu bma bmb bmc bme bmi bmm bmn bmr bmu bna bnb bnc bne bni bnn bnr bnu bra brb bre bri brm brn brr bru bua bub buc bue bui bum bun bur buu c-- caa cab cac cae cai cam can car cau cba cbb cbc cbe cbi cbm cbn cbr cbu cca ccb ccc cce cci ccm ccn ccr ccu ce- cea ceb cec cee cei cem cen cer ceu ci- cia cib cic cie cii cim cin cir ciu cma cmb cmc cme cmi cmm cmn cmr cmu cn- cna cnb cnc cne cni cnm cnn cnr cnu cra crb crc cre cri crm crn crr cru cua cub cuc cue cui cum cun cur cuu eaa eab eac eae eai eam ean ear eau eba ebb ebc ebe ebi ebm ebn ebr ebu ec- eca ecb ecc ece eci ecm ecn ecr ecu eea eeb eec eee eem een eer eia eib eic eie eii eim ein eir eiu em- ema emb emc eme emi emm emn emr emu en- ena enb enc ene eni enm enn enr enu era erb erc ere eri erm ern err eru eu- eua eub euc eue eui eun eur ia- iaa iab iac iae iai iam ian iar iau iba ibb ibc ibe ibi ibm ibn ibr ibu ica icb icc ice ici icm icn icr icu ie- iea iec iee iei iem ien ier iia iib iic iie iii iim iin iir iiu im- ima imb imc ime imi imm imn imu in- ina inb inc ine ini inm inn inr inu ir- ira irb irc ire iri irm irn irr iru iu- iua iub iuc iue iui ium iur m-r maa mab mac mae mai mam man mar mau mba mbb mbc mbe mbi mbm mbr mbu mc- mca mcb mcc mce mci mcm mcn mcr mcu mea meb mec mee mei mem men mer meu mi- mia mib mic mie mii mim min mir miu mma mmb mmc mme mmi mmm mmn mmr mmu mna mnb mnc mne mni mnm mnn mnr mnu mra mrb mrc mre mri mrm mrn mrr mru mua mub muc mue mui mum mun mur muu n-i naa nab nac nae nai nam nan nar nau nba nbb nbc nbe nbi nbm nbn nbr nbu nca ncb ncc nce nci ncm ncn ncr ncu ne- nea neb nec nee nei nem nen ner neu nia nib nic nie nii nim nin nir niu nma nmb nmc nme nmi nmm nmn nmr nmu nna nnb nnc nne nni nnm nnn nnu nra nrb nrc nre nri nrm nrn nrr nru nua nub nuc nue nui num nun nur nuu ra- raa rab rac rae rai ram ran rar rau rba rbb rbc rbe rbi rbm rbn rbr rbu rca rcb rcc rce rci rcm rcn rcr rcu re- rea reb rec ree rei rem ren rer reu ria rib ric rie rii rim rin rir rma rmb rmc rme rmi rmm rmn rmr rna rnb rnc rni rnm rnn rnr rnu rra rrb rrc rri rrm rrn rrr rru rua rub ruc rue rui rum run rur ruu ua- uaa uab uac uae uai uam uan uar uau uba ubb ubc ube ubi ubn ubr ubu uca ucb ucc uce uci ucm ucn ucr ucu uea ueb uec uee uei uem uen uer uia uib uic uie uii uim uin uir uiu um- uma umb umc ume umi umm umn umr umu un- una unb unc une uni unm unn unr unu ur- ura urb urc ure uri urm urn urr uru uua uuc uue uum uun uur uuu