-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aar aat ab- aba abb abc abd abe abi abr abt ac- aca acb acc acd ace aci acr act ad- ada adb adc add ade adi adr adt aea aeb aec aed aee aei aer aet ai- aia aib aic aid aie aii air ait ar- ara arb arc ard are ari arr art at- ata atb atc atd ate ati atr att baa bab bac bad bae bai bar bat bba bbb bbc bbd bbe bbi bbr bbt bca bcb bcc bcd bce bci bcr bct bda bdb bdc bdd bde bdi bdr bdt be- bea beb bec bed bee bei ber bet bi- bia bib bic bid bie bii bir bit bra brb brd bre bri brr brt bta btb btc btd bte bti btr btt c-- caa cab cac cad cae cai car cat cba cbb cbc cbd cbe cbi cbr cbt cca ccb ccc ccd cce cci ccr cct cda cdb cdc cdd cde cdi cdr cdt ce- cea ceb cec ced cee cei cer cet ci- cia cib cic cid cie cii cir cit cra crb crc crd cre cri crr crt cta ctb ctc ctd cte cti ctr ctt daa dab dac dad dae dai dar dat dba dbb dbc dbd dbe dbi dbr dbt dca dcb dcc dcd dce dci dcr dct dda ddb ddc ddd dde ddi ddr ddt de- dea deb dec ded dee dei der det di- dia dib dic did die dii dir dit dra drb drc drd dre dri drr drt dta dtb dtc dtd dte dti dtr dtt eaa eab eac ead eae eai ear eat eba ebb ebc ebd ebe ebi ebr ebt ec- eca ecb ecc ecd ece eci ecr ect ed- eda edb edc edd ede edi edr edt eea eeb eec eed eee eer eet eia eib eic eid eie eii eir eit era erb erc erd ere eri err ert eta etb etc etd ete eti etr ett i-d ia- iaa iab iac iad iae iai iar iat iba ibb ibc ibd ibe ibi ibr ibt ica icb icc icd ice ici icr ict ida idb idc idd ide idi idr idt ie- iea iec ied iee iei ier iet iia iib iic iid iie iii iir iit ir- ira irb irc ird ire iri irr irt ita itb itc itd ite iti itt ra- raa rab rac rad rae rai rar rat rba rbb rbc rbd rbe rbi rbr rbt rca rcb rcc rcd rce rci rcr rct rda rdb rdc rdd rde rdi rdr rdt re- rea reb rec red ree rei rer ret ria rib ric rid rie rii rir rit rra rrb rrc rrd rri rrr rrt rta rtb rtc rtd rte rti rtr rtt taa tab tac tad tae tai tar tat tba tbb tbc tbd tbe tbi tbr tbt tca tcb tcc tcd tce tci tcr tct tda tdb tdc tdd tde tdi tdr tdt te- tea teb tec ted tee tei ter tet tia tib tic tid tie tii tir tit tra trb trc trd tre tri trr trt tta ttb ttc ttd tte tti ttr ttt

a-be a-ii aaaa aaab aaac aaad aaae aaai aaar aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aace aaci aacr aact aada aadc aade aadi aadt aaea aaec aaib aaic aaii aara aarc aard aare aari aart aata aatc aatt abaa abab abac abad abae abai abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcd abci abcr abct abda abdi abec abed abee aber abet abia abib abic abid abie abir abit abra abrc abri abta ac-t acaa acab acac acad acae acai acar acat acba acca accc accd acce acci acct acda acdb acdc acde acdi acdt ace- acea acec aced acer acet aci- acia acic acid acie acir acr- acra acrc acre acri acrr acta actc acte acti actt adaa adab adac adad adae adai adar adat adba adbc adbi adcc adci adda addc addd adde addi addr adea adeb adee ader adet adia adib adic adie adir adit adra adre adta aeac aebi aecb aeci aect aede aedt aeer aeit aer- aera aerc aerd aeri aeta aetc aetr aett aiai aiba aica aicc aicd aice aicr aida aidb aidc aide aidi aidr aidt aiea aiee aiet aiia aiib aiic aiid aiir aira aird aire airi airt aita aite aiti aitr aitt arab arac arad arae arai arar arat arba arbe arbi arc- arca arce arci arct arda ardc arde ardi area arec ared aree arei aret aria arib arid arie arii arit arr- arra arrc arre arri arrr arrt arta artc arte arti artr at-t ataa atab atac atad atae atai atar atat atca atcc atcr atdi atdt atea atec ated atee atei ater atia atic atid atie atit atra atrc atre atri atta atte atti attr ba-i baaa baad baar baat baba babb babe babi babr bac- baca bacc bace baci bact bada badb badd bade badi badr baed baer baia baib baic baid baie bair bait bar- bara barb barc bard bare bari barr bart bata batc bate bati batt bbad bbbb bbci bbdd bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcci bcda bcde bcec bcer bcet bcia bcie bcit bcra bctc bd-r bdbc bddc bdii bead bear beat beba bebb bebe bebi beca beci beda bede bedi beeb beed beer beet beia beic beir beit bera berc berd bere beri berr bert beta betc bete beti bett biad biar biat biba bibb bibe bibi bica bicc bice bici bida bide bidi bidr bieb bied bier biet bira birb bird bire biri birr birt bita bitc bitd bite bitt brab brac brad brae brai brat brca brcb brce brda brdt brea breb brec bred bree brei brer bret bria bric brid brie brit brrr brtc btaa btcc btdt btec btie btrc btrt bttb c-cd caaa caab caac caat caba cabe cabi