-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aar aat ab- aba abb abc abe abf abi abr abt ac- aca acb acc ace acf aci acr act aea aeb aec aee aef aei aer aet af- afa afb afc afe aff afi afr aft ai- aia aib aic aie aif aii air ait ar- ara arb arc are arf ari arr art at- ata atb atc ate atf ati atr att baa bab bac bae baf bai bar bat bba bbb bbc bbe bbf bbi bbr bbt bca bcb bcc bce bcf bci bcr bct be- bea beb bec bee bef bei ber bet bfa bfb bfc bfe bff bfi bfr bft bi- bia bib bic bie bif bii bir bit bra brb bre brf bri brr brt bta btb btc bte btf bti btr btt c-- caa cab cac cae caf cai car cat cba cbb cbc cbe cbf cbi cbr cbt cca ccb ccc cce ccf cci ccr cct ce- cea ceb cec cee cef cei cer cet cfa cfb cfc cfe cff cfi cfr cft ci- cia cib cic cie cif cii cir cit cra crb crc cre crf cri crr crt cta ctb ctc cte ctf cti ctr ctt eaa eab eac eae eaf eai ear eat eba ebb ebc ebe ebf ebi ebr ebt ec- eca ecb ecc ece ecf eci ecr ect eea eeb eec eee eef eer eet ef- efa efb efc efe eff efi efr eft eia eib eic eie eif eii eir eit era erb erc ere erf eri err ert eta etb etc ete etf eti etr ett faa fab fac fae faf fai far fat fba fbb fbc fbe fbf fbi fbr fbt fca fcb fcc fce fcf fci fcr fct fea feb fec fee fef fei fer fet ffa ffc ffe fff ffi ffr fft fia fib fic fie fif fii fir fit fra frb frc fre frf fri frr frt fta ftb ftc fte ftf fti ftr ftt i-f ia- iaa iab iac iae iaf iai iar iat iba ibb ibc ibe ibf ibi ibr ibt ica icb icc ice icf ici icr ict ie- iea iec iee ief iei ier iet ifa ifb ifc ife iff ifi ifr ift iia iib iic iie iif iii iir iit ir- ira irb irc ire irf iri irr irt ita itb itc ite itf iti itt ra- raa rab rac rae raf rai rar rat rba rbb rbc rbe rbf rbi rbr rbt rca rcb rcc rce rcf rci rcr rct re- rea reb rec ree ref rei rer ret rfa rfb rfc rfe rff rfi rfr rft ria rib ric rie rif rii rir rit rra rrb rrc rrf rri rrr rrt rta rtb rtc rte rtf rti rtr rtt taa tab tac tae taf tai tar tat tba tbb tbc tbe tbf tbi tbr tbt tca tcb tcc tce tcf tci tcr tct te- tea teb tec tee tef tei ter tet tfa tfb tfc tfe tff tfi tfr tft tia tib tic tie tif tii tir tit tra trb trc tre trf tri trr trt tta ttb ttc tte ttf tti ttr ttt

a-be a-ii aaaa aaab aaac aaae aaaf aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aacf aaci aacr aact aaea aaec aafa aafb aafc aaff aafi aaib aaic aaii aara aarc aare aari aart aata aatc aatf aatt abaa abab abac abae abaf abai 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 abir abit abra abrc abri abta ac-t acaa acab acac acae acai acar acat acba acca accc acce accf acci acct ace- acea acec acer acet acfc acfe acfi acft aci- acia acic acie acif acir acr- acra acrc acre acri acrr acta actc acte actf acti actt aeac aeaf aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetf aetr aett afaa afar afat afca afcb afcc afci afee afer afet affa affc affi afft afia afib afif afir afit afr- afra afrc afre afri afta aftc afte aiai aiba aica aicc aice aicf aicr aiea aiee aiet aiff aiia aiib aiic aiir aira aire airi airt aita aite aitf aiti aitr aitt arab arac arae araf arai arar arat arba arbe arbi arc- arca arce arci arct area arec aree aref arei aret arfa arfb arfc arff arft aria arib arie arif arii arit arr- arra arrc arre arri arrr arrt arta artc arte arti artr at-t ataa atab atac atae atai atar atat atca atcc atcf atcr atea atec atee atef atei ater atfb atfc atfe atia atic atie atif atit atra atrc atre atri atta atte atti attr ba-i baaa baaf baar baat baba babb babe babi babr bac- baca bacc bace baci bact baer bafc baff baft baia baib baic baie bair bait bar- bara barb barc bare barf bari barr bart bata batc bate batf bati batt bbbb bbci bbeb bbet bbfc bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcfc bcia bcie bcit bcra bctc beaf bear beat beba bebb bebe bebi beca beci beeb beef beer beet befa befe beff beft beia beic beir beit bera berc bere beri berr bert beta betc bete beti bett bfca bfta bftt biaf biar biat biba bibb bibe bibi bica bicc bice bici bieb bief bier biet bifa biff bifi bira birb bire biri birr birt bita bitc bite bitt brab brac brae braf brai brat brca brcb brce brea breb brec bree bref brei brer bret brfc bria bric brie brit brrr brtc btaa btaf btcc btec btfc btie btrc btrt bttb caaa caab caac caaf caat caba cabe cabf cabi cac- caca cacc cace caci cacr caec caei caer cafa cafb cafc cafe caff caia caib caic cair cait cara carb carc care carf cari carr cart cat- cata catb catc cate