-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aam aar aat ab- aba abb abc abe abf abi abm abr abt ac- aca acb acc ace acf aci acm acr act aea aeb aec aee aef aei aem aer aet af- afa afb afc afe aff afi afm afr aft ai- aia aib aic aie aif aii aim air ait ama amb amc ame amf ami amm amr amt ar- ara arb arc are arf ari arm arr art at- ata atb atc ate atf ati atm atr att baa bab bac bae baf bai bam bar bat bba bbb bbc bbe bbf bbi bbm bbr bbt bca bcb bcc bce bcf bci bcm bcr bct be- bea beb bec bee bef bei bem ber bet bfa bfb bfc bfe bff bfi bfm bfr bft bi- bia bib bic bie bif bii bim bir bit bma bmb bmc bme bmf bmi bmm bmr bmt bra brb bre brf bri brm brr brt bta btb btc bte btf bti btm btr btt c-- caa cab cac cae caf cai cam car cat cba cbb cbc cbe cbf cbi cbm cbr cbt cca ccb ccc cce ccf cci ccm ccr cct ce- cea ceb cec cee cef cei cem cer cet cfa cfb cfc cfe cff cfi cfm cfr cft ci- cia cib cic cie cif cii cim cir cit cma cmb cmc cme cmf cmi cmm cmr cmt cra crb crc cre crf cri crm crr crt cta ctb ctc cte ctf cti ctm ctr ctt eaa eab eac eae eaf eai eam ear eat eba ebb ebc ebe ebf ebi ebm ebr ebt ec- eca ecb ecc ece ecf eci ecm ecr ect eea eeb eec eee eef eem eer eet ef- efa efb efc efe eff efi efm efr eft eia eib eic eie eif eii eim eir eit em- ema emb emc eme emf emi emm emr emt era erb erc ere erf eri erm err ert eta etb etc ete etf eti etm etr ett faa fab fac fae faf fai fam far fat fba fbb fbc fbe fbf fbi fbm fbr fbt fca fcb fcc fce fcf fci fcm fcr fct fea feb fec fee fef fei fem fer fet ffa ffc ffe fff ffi ffm ffr fft fia fib fic fie fif fii fim fir fit fma fmb fmc fme fmf fmi fmm fmr fmt fra frb frc fre frf fri frm frr frt fta ftb ftc fte ftf fti ftm ftr ftt i-f ia- iaa iab iac iae iaf iai iam iar iat iba ibb ibc ibe ibf ibi ibm ibr ibt ica icb icc ice icf ici icm icr ict ie- iea iec iee ief iei iem ier iet ifa ifb ifc ife iff ifi ifm ifr ift iia iib iic iie iif iii iim iir iit im- ima imb imc ime imf imi imm imt ir- ira irb irc ire irf iri irm irr irt ita itb itc ite itf iti itm itt m-f m-r maa mab mac mae maf mai mam mar mat mba mbb mbc mbe mbf mbi mbm mbr mbt mc- mca mcb mcc mce mcf mci mcm mcr mct mea meb mec mee mef mei mem mer met mfa mfb mfc mfe mff mfi mfm mfr mft mi- mia mib mic mie mif mii mim mir mit mma mmb mmc mme mmf mmi mmm mmr mmt mra mrb mrc mre mrf mri mrm mrr mrt mta mtb mtc mte mtf mti mtm mtr mtt ra- raa rab rac rae raf rai ram rar rat rba rbb rbc rbe rbf rbi rbm rbr rbt rca rcb rcc rce rcf rci rcm rcr rct re- rea reb rec ree ref rei rem rer ret rfa rfb rfc rfe rff rfi rfm rfr rft ria rib ric rie rif rii rim rir rit rma rmb rmc rme rmf rmi rmm rmr rmt rra rrb rrc rrf rri rrm rrr rrt rta rtb rtc rte rtf rti rtm rtr rtt taa tab tac tae taf tai tam tar tat tba tbb tbc tbe tbf tbi tbm tbr tbt tca tcb tcc tce tcf tci tcm tcr tct te- tea teb tec tee tef tei tem ter tet tfa tfb tfc tfe tff tfi tfm tfr tft tia tib tic tie tif tii tim tir tit tma tmb tmc tme tmf tmi tmm tmr tmt tra trb trc tre trf tri trm trr trt tta ttb ttc tte ttf tti ttm ttr ttt

a-be a-ii aaaa aaab aaac aaae aaaf aaai aaam aaar aaba aabb aabc aabi aabm aabt aaca aacb aacc aace aacf aaci aacm aacr aact aaea aaec aaem aafa aafb aafc aaff aafi aaib aaic aaii aama aamb aamc aame aami aamr aara aarc aare aari aarm aart aata aatc aatf aatt abaa abab abac abae abaf abai abam abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcf abci abcr abct abec abee aber abet abff abia abib abic abie abim abir abit abma abmb abmc abmt abra abrc abri abta ac-t acaa acab acac acae acai acar acat acba acca accc acce accf acci accm acct ace- acea acec acem acer acet acfc acfe acfi acfm acft aci- acia acic acie acif acim acir acma acmc acme acmf acmi acr- acra acrc acre acri acrm acrr acta actc acte actf acti actt aeac aeaf aebi aecb aeci aect aeer aeit aemt aer- aera aerc aeri aeta aetc aetf aetr aett afaa afam afar afat afca afcb afcc afci afee afer afet affa affc affi afft afia afib afif afir afit afma afmc afr- afra afrc afre afri afrm afta aftc afte aiai aiba aica aicc aice aicf aicr aiea aiee aiet aiff aiia aiib aiic aiir aimc aime aimi aimm aira aire airi airt aita aite aitf aiti aitr aitt amaa amac amae amai amam amar amat amb- amba ambe ambi ambr amca amcc amec amee amei amer amet amfm