-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aam aan aar aat aau ab- aba abb abc abe abi abm abn abr abt abu ac- aca acb acc ace aci acm acn acr act acu aea aeb aec aee aei aem aen aer aet aeu ai- aia aib aic aie aii aim ain air ait aiu ama amb amc ame ami amm amn amr amt amu an- ana anb anc ane ani anm ann anr ant anu ar- ara arb arc are ari arm arn arr art aru at- ata atb atc ate ati atm atn atr att atu au- aua aub auc aue aui aum aun aur aut b-u baa bab bac bae bai bam ban bar bat bau bba bbb bbc bbe bbi bbm bbn bbr bbt bbu bca bcb bcc bce bci bcm bcn bcr bct bcu be- bea beb bec bee bei bem ben ber bet beu bi- bia bib bic bie bii bim bin bir bit biu bma bmb bmc bme bmi bmm bmn bmr bmt bmu bna bnb bnc bne bni bnn bnr bnt bnu bra brb bre bri brm brn brr brt bru bta btb btc bte bti btm btn btr btt btu bua bub buc bue bui bum bun bur but buu c-- caa cab cac cae cai cam can car cat cau cba cbb cbc cbe cbi cbm cbn cbr cbt cbu cca ccb ccc cce cci ccm ccn ccr cct ccu ce- cea ceb cec cee cei cem cen cer cet ceu ci- cia cib cic cie cii cim cin cir cit ciu cma cmb cmc cme cmi cmm cmn cmr cmt cmu cn- cna cnb cnc cne cni cnm cnn cnr cnt cnu cra crb crc cre cri crm crn crr crt cru cta ctb ctc cte cti ctm ctn ctr ctt ctu cua cub cuc cue cui cum cun cur cut cuu eaa eab eac eae eai eam ean ear eat eau eba ebb ebc ebe ebi ebm ebn ebr ebt ebu ec- eca ecb ecc ece eci ecm ecn ecr ect ecu eea eeb eec eee eem een eer eet eia eib eic eie eii eim ein eir eit eiu em- ema emb emc eme emi emm emn emr emt emu en- ena enb enc ene eni enm enn enr ent enu era erb erc ere eri erm ern err ert eru eta etb etc ete eti etm etn etr ett etu eu- eua eub euc eue eui eun eur eut ia- iaa iab iac iae iai iam ian iar iat iau iba ibb ibc ibe ibi ibm ibn ibr ibt ibu ica icb icc ice ici icm icn icr ict icu ie- iea iec iee iei iem ien ier iet iia iib iic iie iii iim iin iir iit iiu im- ima imb imc ime imi imm imn imt imu in- ina inb inc ine ini inm inn inr int inu ir- ira irb irc ire iri irm irn irr irt iru ita itb itc ite iti itm itn itt itu iu- iua iub iuc iue iui ium iur iut m-r maa mab mac mae mai mam man mar mat mau mba mbb mbc mbe mbi mbm mbr mbt mbu mc- mca mcb mcc mce mci mcm mcn mcr mct mcu mea meb mec mee mei mem men mer met meu mi- mia mib mic mie mii mim min mir mit miu mma mmb mmc mme mmi mmm mmn mmr mmt mmu mna mnb mnc mne mni mnm mnn mnr mnt mnu mra mrb mrc mre mri mrm mrn mrr mrt mru mta mtb mtc mte mti mtm mtn mtr mtt mtu mua mub muc mue mui mum mun mur mut muu n-i naa nab nac nae nai nam nan nar nat nau nba nbb nbc nbe nbi nbm nbn nbr nbt nbu nca ncb ncc nce nci ncm ncn ncr nct ncu ne- nea neb nec nee nei nem nen ner net neu nia nib nic nie nii nim nin nir nit niu nma nmb nmc nme nmi nmm nmn nmr nmt nmu nna nnb nnc nne nni nnm nnn nnt nnu nra nrb nrc nre nri nrm nrn nrr nrt nru nta ntb ntc nte nti ntm ntn ntr ntt ntu nua nub nuc nue nui num nun nur nut nuu ra- raa rab rac rae rai ram ran rar rat rau rba rbb rbc rbe rbi rbm rbn rbr rbt rbu rca rcb rcc rce rci rcm rcn rcr rct rcu re- rea reb rec ree rei rem ren rer ret reu ria rib ric rie rii rim rin rir rit rma rmb rmc rme rmi rmm rmn rmr rmt rna rnb rnc rni rnm rnn rnr rnt rnu rra rrb rrc rri rrm rrn rrr rrt rru rta rtb rtc rte rti rtm rtn rtr rtt rtu rua rub ruc rue rui rum run rur rut ruu taa tab tac tae tai tam tan tar tat tau tba tbb tbc tbe tbi tbm tbn tbr tbt tbu tca tcb tcc tce tci tcm tcn tcr tct tcu te- tea teb tec tee tei tem ten ter tet teu tia tib tic tie tii tim tin tir tit tiu tma tmb tmc tme tmi tmm tmn tmr tmt tmu tna tnb tnc tne tni tnm tnn tnr tnt tra trb trc tre tri trm trn trr trt tru tta ttb ttc tte tti ttm ttn ttr ttt ttu tua tub tuc tue tui tum tun tur tut tuu ua- uaa uab uac uae uai uam uan uar uat uau uba ubb ubc ube ubi ubn ubr ubt ubu uca ucb ucc uce uci ucm ucn ucr uct ucu uea ueb uec uee uei uem uen uer uet uia uib uic uie uii uim uin uir uit uiu um- uma umb umc ume umi umm umn umr umt umu un- una unb unc une uni unm unn unr unt unu ur- ura urb urc ure uri urm urn urr urt