-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aam aar aat aau ab- aba abb abc abe abi abm abr abt abu ac- aca acb acc ace aci acm acr act acu aea aeb aec aee aei aem aer aet aeu ai- aia aib aic aie aii aim air ait aiu ama amb amc ame ami amm amr amt amu ar- ara arb arc are ari arm arr art aru at- ata atb atc ate ati atm atr att atu au- aua aub auc aue aui aum aur aut b-u baa bab bac bae bai bam bar bat bau bba bbb bbc bbe bbi bbm bbr bbt bbu bca bcb bcc bce bci bcm bcr bct bcu be- bea beb bec bee bei bem ber bet beu bi- bia bib bic bie bii bim bir bit biu bma bmb bmc bme bmi bmm bmr bmt bmu bra brb bre bri brm brr brt bru bta btb btc bte bti btm btr btt btu bua bub buc bue bui bum bur but buu c-- caa cab cac cae cai cam car cat cau cba cbb cbc cbe cbi cbm cbr cbt cbu cca ccb ccc cce cci ccm ccr cct ccu ce- cea ceb cec cee cei cem cer cet ceu ci- cia cib cic cie cii cim cir cit ciu cma cmb cmc cme cmi cmm cmr cmt cmu cra crb crc cre cri crm crr crt cru cta ctb ctc cte cti ctm ctr ctt ctu cua cub cuc cue cui cum cur cut cuu eaa eab eac eae eai eam ear eat eau eba ebb ebc ebe ebi ebm ebr ebt ebu ec- eca ecb ecc ece eci ecm ecr ect ecu eea eeb eec eee eem eer eet eia eib eic eie eii eim eir eit eiu em- ema emb emc eme emi emm emr emt emu era erb erc ere eri erm err ert eru eta etb etc ete eti etm etr ett etu eu- eua eub euc eue eui eur eut ia- iaa iab iac iae iai iam iar iat iau iba ibb ibc ibe ibi ibm ibr ibt ibu ica icb icc ice ici icm icr ict icu ie- iea iec iee iei iem ier iet iia iib iic iie iii iim iir iit iiu im- ima imb imc ime imi imm imt imu ir- ira irb irc ire iri irm irr irt iru ita itb itc ite iti itm itt itu iu- iua iub iuc iue iui ium iur iut m-r maa mab mac mae mai mam mar mat mau mba mbb mbc mbe mbi mbm mbr mbt mbu mc- mca mcb mcc mce mci mcm mcr mct mcu mea meb mec mee mei mem mer met meu mi- mia mib mic mie mii mim mir mit miu mma mmb mmc mme mmi mmm mmr mmt mmu mra mrb mrc mre mri mrm mrr mrt mru mta mtb mtc mte mti mtm mtr mtt mtu mua mub muc mue mui mum mur mut muu ra- raa rab rac rae rai ram rar rat rau rba rbb rbc rbe rbi rbm rbr rbt rbu rca rcb rcc rce rci rcm rcr rct rcu re- rea reb rec ree rei rem rer ret reu ria rib ric rie rii rim rir rit rma rmb rmc rme rmi rmm rmr rmt rra rrb rrc rri rrm rrr rrt rru rta rtb rtc rte rti rtm rtr rtt rtu rua rub ruc rue rui rum rur rut ruu taa tab tac tae tai tam tar tat tau tba tbb tbc tbe tbi tbm tbr tbt tbu tca tcb tcc tce tci tcm tcr tct tcu te- tea teb tec tee tei tem ter tet teu tia tib tic tie tii tim tir tit tiu tma tmb tmc tme tmi tmm tmr tmt tmu tra trb trc tre tri trm trr trt tru tta ttb ttc tte tti ttm ttr ttt ttu tua tub tuc tue tui tum tur tut tuu ua- uaa uab uac uae uai uam uar uat uau uba ubb ubc ube ubi ubr ubt ubu uca ucb ucc uce uci ucm ucr uct ucu uea ueb uec uee uei uem uer uet uia uib uic uie uii uim uir uit uiu um- uma umb umc ume umi umm umr umt umu ur- ura urb urc ure uri urm urr urt uru uta utb utc ute uti utm utr utt utu uua uuc uue uum uur uut uuu