-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aam aar aat ab- aba abb abc abe abg abi abm abr abt ac- aca acb acc ace acg aci acm acr act aea aeb aec aee aeg aei aem aer aet ag- aga agb agc age agg agi agm agr agt ai- aia aib aic aie aig aii aim air ait ama amb amc ame amg ami amm amr amt ar- ara arb arc are arg ari arm arr art at- ata atb atc ate atg ati atm atr att baa bab bac bae bag bai bam bar bat bba bbb bbc bbe bbg bbi bbm bbr bbt bca bcb bcc bce bcg bci bcm bcr bct be- bea beb bec bee beg bei bem ber bet bga bgb bgc bge bgg bgi bgm bgr bgt bi- bia bib bic bie big bii bim bir bit bma bmb bmc bme bmg bmi bmm bmr bmt bra brb bre brg bri brm brr brt bta btb btc bte btg bti btm btr btt c-- caa cab cac cae cag cai cam car cat cba cbb cbc cbe cbg cbi cbm cbr cbt cca ccb ccc cce ccg cci ccm ccr cct ce- cea ceb cec cee ceg cei cem cer cet cga cgb cgc cge cgg cgi cgm cgr cgt ci- cia cib cic cie cig cii cim cir cit cma cmb cmc cme cmg cmi cmm cmr cmt cra crb crc cre crg cri crm crr crt cta ctb ctc cte ctg cti ctm ctr ctt eaa eab eac eae eag eai eam ear eat eba ebb ebc ebe ebg ebi ebm ebr ebt ec- eca ecb ecc ece ecg eci ecm ecr ect eea eeb eec eee eeg eem eer eet ega egb egc ege egg egi egm egr egt eia eib eic eie eig eii eim eir eit em- ema emb emc eme emg emi emm emr emt era erb erc ere erg eri erm err ert eta etb etc ete etg eti etm etr ett gaa gab gac gae gag gai gam gar gat gba gbc gbe gbg gbi gbm gbr gbt gca gcb gcc gce gcg gci gcm gcr gct ge- gea geb gec gee geg gei gem ger get gga ggb ggc ggg ggi ggm ggr ggt gia gib gic gie gig gii gim gir git gma gmb gmc gme gmg gmi gmm gmr gmt gra grb grc gre grg gri grm grr grt gta gtb gtc gte gtg gti gtm gtr gtt ia- iaa iab iac iae iag iai iam iar iat iba ibb ibc ibe ibg ibi ibm ibr ibt ica icb icc ice icg ici icm icr ict ie- iea iec iee ieg iei iem ier iet iga igb igc ige igg igi igm igr igt iia iib iic iie iii iim iir iit im- ima imb imc ime img imi imm imt ir- ira irb irc ire irg iri irm irr irt ita itb itc ite itg iti itm itt m-r maa mab mac mae mag mai mam mar mat mba mbb mbc mbe mbg mbi mbm mbr mbt mc- mca mcb mcc mce mcg mci mcm mcr mct mea meb mec mee meg mei mem mer met mga mgb mgc mge mgi mgm mgr mgt mi- mia mib mic mie mig mii mim mir mit mma mmb mmc mme mmg mmi mmm mmr mmt mra mrb mrc mre mrg mri mrm mrr mrt mta mtb mtc mte mtg mti mtm mtr mtt ra- raa rab rac rae rag rai ram rar rat rba rbb rbc rbe rbg rbi rbm rbr rbt rca rcb rcc rce rcg rci rcm rcr rct re- rea reb rec ree reg rei rem rer ret rga rgb rgc rge rgg rgi rgr rgt ria rib ric rie rig rii rim rir rit rma rmb rmc rme rmg rmi rmm rmr rmt rra rrb rrc rrg rri rrm rrr rrt rta rtb rtc rte rtg rti rtm rtr rtt taa tab tac tae tag tai tam tar tat tba tbb tbc tbe tbg tbi tbm tbr tbt tca tcb tcc tce tcg tci tcm tcr tct te- tea teb tec tee teg tei tem ter tet tga tgb tgc tge tgg tgi tgm tgr tgt tia tib tic tie tig tii tim tir tit tma tmb tmc tme tmg tmi tmm tmr tmt tra trb trc tre trg tri trm trr trt tta ttb ttc tte ttg tti ttm ttr ttt

a-be a-ii aaaa aaab aaac aaae aaai aaam aaar aaba aabb aabc aabi aabm aabt aaca aacb aacc aace aaci aacm aacr aact aaea aaec aaem aage aaib aaic aaii aama aamb aamc aame aami aamr aara aarc aare aari aarm aart aata aatc aatt abaa abab abac abae abag abai abam abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abig abim abir abit abma abmb abmc abmt abra abrc abri abta ac-t acaa acab acac acae acag acai acar acat acba acca accc acce acci accm acct ace- acea acec acem acer acet acga acgi acgr aci- acia acic acie acim acir acma acmc acme acmg acmi acr- acra acrc acre acri acrm acrr acta actc acte actg acti actt aeac aebi aecb aeci aect aeer aega aeit aemt aer- aera aerc aeri aeta aetc aetr aett agac agag agai agam agar agat agba agca agcc agce agct agea agee agei agem ager aget agga agge aggi agia agib agic agie agig agii agim agir agit agma agmc agme agra agre agri agta agte agtr aiai aiba aica aicc aice aicr aiea aiee aiet aiga aiia aiib aiic aiir aimc aime aimi aimm aira aire airi airt aita aite aiti aitr aitt amaa amac amae amag amai amam amar amat amb- amba ambe ambi ambr amca amcc amec amee amei amer amet amga amia amib amic amie amii amir amit amm- amma amme ammi amra