-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aam aan aar aau ab- aba abb abc abd abe abi abm abn abr abu ac- aca acb acc acd ace aci acm acn acr acu ad- ada adb adc add ade adi adm adn adr adu aea aeb aec aed aee aei aem aen aer aeu ai- aia aib aic aid aie aii aim ain air aiu ama amb amc amd ame ami amm amn amr amu an- ana anb anc and ane ani anm ann anr anu ar- ara arb arc ard are ari arm arn arr aru au- aua aub auc aud aue aui aum aun aur b-u baa bab bac bad bae bai bam ban bar bau bba bbb bbc bbd bbe bbi bbm bbn bbr bbu bca bcb bcc bcd bce bci bcm bcn bcr bcu bda bdb bdc bdd bde bdi bdm bdr bdu be- bea beb bec bed bee bei bem ben ber beu bi- bia bib bic bid bie bii bim bin bir biu bma bmb bmc bmd bme bmi bmm bmn bmr bmu bna bnb bnc bnd bne bni bnn bnr bnu bra brb brd bre bri brm brn brr bru bua bub buc bud bue bui bum bun bur buu c-- caa cab cac cad cae cai cam can car cau cba cbb cbc cbd cbe cbi cbm cbn cbr cbu cca ccb ccc ccd cce cci ccm ccn ccr ccu cda cdb cdc cdd cde cdi cdm cdn cdr cdu ce- cea ceb cec ced cee cei cem cen cer ceu ci- cia cib cic cid cie cii cim cin cir ciu cma cmb cmc cmd cme cmi cmm cmn cmr cmu cn- cna cnb cnc cnd cne cni cnm cnn cnr cnu cra crb crc crd cre cri crm crn crr cru cua cub cuc cud cue cui cum cun cur cuu daa dab dac dad dae dai dam dan dar dau dba dbb dbc dbd dbe dbi dbm dbn dbr dbu dca dcb dcc dcd dce dci dcm dcn dcr dcu dda ddb ddc ddd dde ddi ddm ddn ddr ddu de- dea deb dec ded dee dei dem den der deu di- dia dib dic did die dii dim din dir diu dma dmb dmc dmd dme dmi dmm dmn dmr dmu dna dnb dnc dnd dne dni dnm dnn dnr dra drb drc drd dre dri drm drn drr dru dua dub duc dud due dui dum dun dur eaa eab eac ead eae eai eam ean ear eau eba ebb ebc ebd ebe ebi ebm ebn ebr ebu ec- eca ecb ecc ecd ece eci ecm ecn ecr ecu ed- eda edb edc edd ede edi edm edn edr edu eea eeb eec eed eee eem een eer eia eib eic eid eie eii eim ein eir eiu em- ema emb emc emd eme emi emm emn emr emu en- ena enb enc end ene eni enm enn enr enu era erb erc erd ere eri erm ern err eru eu- eua eub euc eud eue eui eun eur i-d ia- iaa iab iac iad iae iai iam ian iar iau iba ibb ibc ibd ibe ibi ibm ibn ibr ibu ica icb icc icd ice ici icm icn icr icu ida idb idc idd ide idi idm idn idr idu ie- iea iec ied iee iei iem ien ier iia iib iic iid iie iii iim iin iir iiu im- ima imb imc imd ime imi imm imn imu in- ina inb inc ind ine ini inm inn inr inu ir- ira irb irc ird ire iri irm irn irr iru iu- iua iub iuc iud iue iui ium iur m-r maa mab mac mad mae mai mam man mar mau mba mbb mbc mbd mbe mbi mbm mbr mbu mc- mca mcb mcc mcd mce mci mcm mcn mcr mcu mda mdb mdc mdd mde mdi mdm mdn mdr mdu mea meb mec med mee mei mem men mer meu mi- mia mib mic mid mie mii mim min mir miu mma mmb mmc mmd mme mmi mmm mmn mmr mmu mna mnb mnc mne mni mnm mnn mnr mnu mra mrb mrc mrd mre mri mrm mrn mrr mru mua mub muc mud mue mui mum mun mur muu n-i naa nab nac nad nae nai nam nan nar nau nba nbb nbc nbd nbe nbi nbm nbn nbr nbu nca ncb ncc ncd nce nci ncm ncn ncr ncu nda ndb ndc ndd nde ndi ndm ndn ndr ndu ne- nea neb nec ned nee nei nem nen ner neu nia nib nic nid nie nii nim nin nir niu nma nmb nmc nmd nme nmi nmm nmn nmr nmu nna nnb nnc nne nni nnm nnn nnu nra nrb nrc nrd nre nri nrm nrn nrr nru nua nub nuc nud nue nui num nun nur nuu ra- raa rab rac rad rae rai ram ran rar rau rba rbb rbc rbd rbe rbi rbm rbn rbr rbu rca rcb rcc rcd rce rci rcm rcn rcr rcu rda rdb rdc rdd rde rdi rdm rdn rdr rdu re- rea reb rec red ree rei rem ren rer reu ria rib ric rid rie rii rim rin rir rma rmb rmc rmd rme rmi rmm rmn rmr rna rnb rnc rnd rni rnm rnn rnr rnu rra rrb rrc rrd rri rrm rrn rrr rru rua rub ruc rud rue rui rum run rur ruu ua- uaa uab uac uad uae uai uam uan uar uau uba ubb ubc ube ubi ubn ubr ubu uca ucb ucc ucd uce uci ucm ucn ucr ucu uda udb udc udd ude udi udm udn udr udu uea ueb uec ued uee uei uem uen uer uia uib uic uid uie uii uim uin uir uiu um- uma umb umc umd ume umi umm umn umr umu un- una unb unc und une uni unm unn unr unu ur- ura