-er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aar ab- aba abb abc abe abg abi abk abr ac- aca acb acc ace acg aci ack acr aea aeb aec aee aeg aei aek aer ag- aga agb agc age agg agi agk agr ai- aia aib aic aie aig aii aik air aka akb akc ake akg aki akk akr ar- ara arb arc are arg ari ark arr baa bab bac bae bag bai bak bar bba bbb bbc bbe bbg bbi bbk bbr bca bcb bcc bce bcg bci bck bcr be- bea beb bec bee beg bei bek ber bga bgb bgc bge bgg bgi bgk bgr bi- bia bib bic bie big bii bik bir bka bkb bkc bke bkg bkk bkr bra brb bre brg bri brk brr c-- caa cab cac cae cag cai cak car cba cbb cbc cbe cbg cbi cbk cbr cca ccb ccc cce ccg cci cck ccr ce- cea ceb cec cee ceg cei cek cer cga cgb cgc cge cgg cgi cgr ci- cia cib cic cie cig cii cik cir cka ckb ckc cki cra crb crc cre crg cri crk crr eaa eab eac eae eag eai eak ear eba ebb ebc ebe ebg ebi ebk ebr ec- eca ecb ecc ece ecg eci eck ecr eea eeb eec eee eeg eek eer ega egb egc ege egg egi egr eia eib eic eie eig eii eik eir eka ekb ekc eke ekg eki ekr era erb erc ere erg eri erk err gaa gab gac gae gag gai gak gar gba gbc gbe gbg gbi gbk gbr gca gcb gcc gce gcg gci gck gcr ge- gea geb gec gee geg gei gek ger gga ggb ggc ggg ggi ggr gia gib gic gie gig gii gik gir gka gkb gra grb grc gre grg gri grk grr ia- iaa iab iac iae iag iai iar iba ibb ibc ibe ibg ibi ibk ibr ica icb icc ice icg ici ick icr ie- iea iec iee ieg iei iek ier iga igb igc ige igg igi igk igr iia iib iic iie iii iir ika ikb ikc ike iki ikk ikr ir- ira irb irc ire irg iri irk irr ka- kaa kab kac kae kag kai kak kar kba kbb kbc kbe kbi kbk kbr kca kcb kcc kce kcg kci kck kcr ke- kea keb kec kee keg kei kek ker kga kgb kgc kgi kia kib kic kie kig kii kik kir kkb kkc kke kki kkk kkr kra krc krg kri krk krr ra- raa rab rac rae rag rai rak rar rba rbb rbc rbe rbg rbi rbk rbr rca rcb rcc rce rcg rci rcr re- rea reb rec ree reg rei rek rer rga rgb rgc rge rgg rgi rgk rgr ria rib ric rie rig rii rik rir rkb rkc rke rkg rkk rra rrb rrc rrg rri rrk rrr

a-ak a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aack aacr aaea aaec aage aaib aaic aaii aaka aake aara aarc aare aari abaa abab abac abae abag abai abak abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abig abir abra abrc abri acaa acab acac acae acag acai acar acba acca accc acce acci ace- acea acec acek acer acga acgi acgr aci- acia acic acie acir acke acr- acra acrc acre acri acrr aeac aebi aecb aeci aeer aega aeka aer- aera aerc aeri agac agag agai agar agba agca agcc agce agea agee agei ager agga agge aggi agia agib agic agie agig agii agir agra agre agri aiai aiba aica aicc aice aicr aiea aiee aiga aiia aiib aiic aiir aika aike aiki aira aire airi akaa akae akai akar akca akee akeg aker akia akie akik akir akka akki akr- akra akre arab arac arae arag arai arak arar arba arbe arbi arc- arca arce arci area arec aree areg arei arek arga argb arge argi aria arib arie arig arii arik arka arke arki arr- arra arrc arre arrg arri arrk arrr ba-i baaa baak baar baba babb babe babi babr bac- baca bacc bace baci back baek baer baga bage bagg bagi baia baib baic baie baig baik bair bak- baka bake baki bakr bar- bara barb barc bare barg bari bark barr bbbb bbci bbeb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcci bcec bcer bcia bcie bcra beag beak bear beba bebb bebe bebi beca beci beck beeb beeg beek beer bega begg begi beia beic beik beir beka beke beki bera berc bere berg beri berk berr bgca bgia biak biar biba bibb bibe bibi bica bicc bice bicg bici bick bieb bier biga bigb bigc bige bigg bike bira birb bire birg biri birk birr brab brac brae brag brai brak brca brcb brce brea breb brec bree breg brei brek brer bria bric brie brig brik brka brkb brrr caaa caab caac caba cabe cabg cabi cac- caca cacc cace caci cack cacr caec caei caer caga cage cagg cagi cagr caia caib caic caik cair caka cake cara carb carc care cari cark carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbga cbgb cbia cbir cbka cbkg cbkr cbre ccaa ccab ccac ccag ccai ccar ccba ccbc ccca cccb cccc ccci ccee ccga ccgc ccic ccii ccir ccra ccrc ccre ccrg ccri ceac cear ceba cec- ceca cece ceci ceeb ceec cege ceke cer- cera cerc cere ceri cgac cgcc cgcg cger ciaa ciak ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciga cigi ciia ciii cika cikr cira cirb circ cire ciri cirk cirr ckac ckbc ckbe ckbi ckck cker ckga ckrc crab crac crag crai crar crbc crca crcc crce crcr cre- crea creb crec cree creg