-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aak aar aat ab- aba abb abc abe abi abk abr abt ac- aca acb acc ace aci ack acr act aea aeb aec aee aei aek aer aet ai- aia aib aic aie aii aik air ait aka akb akc ake aki akk akr ar- ara arb arc are ari ark arr art at- ata atb atc ate ati atr att baa bab bac bae bai bak bar bat bba bbb bbc bbe bbi bbk bbr bbt bca bcb bcc bce bci bck bcr bct be- bea beb bec bee bei bek ber bet bi- bia bib bic bie bii bik bir bit bka bkb bkc bke bkk bkr bkt bra brb bre bri brk brr brt bta btb btc bte bti btk btr btt c-- caa cab cac cae cai cak car cat cba cbb cbc cbe cbi cbk cbr cbt cca ccb ccc cce cci cck ccr cct ce- cea ceb cec cee cei cek cer cet ci- cia cib cic cie cii cik cir cit cka ckb ckc cki ckt cra crb crc cre cri crk crr crt cta ctb ctc cte cti ctk ctr ctt eaa eab eac eae eai eak ear eat eba ebb ebc ebe ebi ebk ebr ebt ec- eca ecb ecc ece eci eck ecr ect eea eeb eec eee eek eer eet eia eib eic eie eii eik eir eit eka ekb ekc eke eki ekr ekt era erb erc ere eri erk err ert eta etb etc ete eti etk etr ett ia- iaa iab iac iae iai iar iat iba ibb ibc ibe ibi ibk ibr ibt ica icb icc ice ici ick icr ict ie- iea iec iee iei iek ier iet iia iib iic iie iii iir iit ika ikb ikc ike iki ikk ikr ikt ir- ira irb irc ire iri irk irr irt ita itb itc ite iti itk itt k-t ka- kaa kab kac kae kai kak kar kat kba kbb kbc kbe kbi kbk kbr kca kcb kcc kce kci kck kcr kct ke- kea keb kec kee kei kek ker ket kia kib kic kie kii kik kir kit kkb kkc kke kki kkk kkr kkt kra krc kri krk krr krt kta ktb ktc kte ktk ktr ktt ra- raa rab rac rae rai rak rar rat rba rbb rbc rbe rbi rbk rbr rbt rca rcb rcc rce rci rcr rct re- rea reb rec ree rei rek rer ret ria rib ric rie rii rik rir rit rkb rkc rke rkk rkt rra rrb rrc rri rrk rrr rrt rta rtb rtc rte rti rtk rtr rtt taa tab tac tae tai tak tar tat tba tbb tbc tbe tbi tbk tbr tbt tca tcb tcc tce tci tck tcr tct te- tea teb tec tee tei tek ter tet tia tib tic tie tii tik tir tit tka tkb tkc tke tkk tkr tkt tra trb trc tre tri trk trr trt tta ttb ttc tte tti ttk ttr ttt

a-ak a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aack aacr aact aaea aaec aaib aaic aaii aaka aake aara aarc aare aari aart aata aatc aatk aatt abaa abab abac abae abai abak abar abat abb- abba abbb abbe abbi abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abir abit abra abrc abri abta ac-t acaa acab acac acae acai acar acat acba acca accc acce acci acct ace- acea acec acek acer acet aci- acia acic acie acir acke acr- acra acrc acre acri acrr acta actc acte acti actt aeac aebi aecb aeci aect aeer aeit aeka aer- aera aerc aeri aeta aetc aetr aett aiai aiba aica aicc aice aicr aiea aiee aiet aiia aiib aiic aiir aika aike aiki aira aire airi airt aita aite aiti aitr aitt akaa akae akai akar akca akee aker akia akie akik akir akka akki akr- akra akre akte arab arac arae arai arak arar arat arba arbe arbi arc- arca arce arci arct area arec aree arei arek aret aria arib arie arii arik arit arka arke arki arr- arra arrc arre arri arrk arrr arrt arta artc arte arti artr at-t ataa atab atac atae atai atak atar atat atca atcc atck atcr atea atec atee atei ater atia atic atie atik atit atka atkt atra atrc atre atri atrk atta atte atti attr ba-i baaa baak baar baat baba babb babe babi babr bac- baca bacc bace baci back bact baek baer baia baib baic baie baik bair bait bak- baka bake baki bakr bakt bar- bara barb barc bare bari bark barr bart bata batc bate bati batt bbbb bbci bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcia bcie bcit bcra bctc beak bear beat beba bebb bebe bebi beca beci beck beeb beek beer beet beia beic beik beir beit beka beke beki bera berc bere beri berk berr bert beta betc bete beti bett biak biar biat biba bibb bibe bibi bica bicc bice bici bick bieb bier biet bike bira birb bire biri birk birr birt bita bitc bite bitt brab brac brae brai brak brat brca brcb brce brea breb brec bree brei brek brer bret bria bric brie brik brit brka brkb brrr brtc btaa btcc btec btek btie btrc btrt bttb caaa caab caac caat caba cabe cabi cac- caca cacc cace caci cack cacr caec caei caer caia caib caic caik cair cait caka cake cara carb carc care cari cark carr cart cat- cata catb catc cate cati catt cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbea cbec cbee cber cbet cbia cbir cbit cbka cbkr cbre cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccir