-er -ic a-a a-b a-c a-i aaa aab aac aae aai aar ab- aba abb abc abe abi abr ac- aca acb acc ace aci acr aea aeb aec aee aei aer ai- aia aib aic aie aii air ar- ara arb arc are ari arr baa bab bac bae bai bar bba bbb bbc bbe bbi bbr bca bcb bcc bce bci bcr be- bea beb bec bee bei ber bi- bia bib bic bie bii bir bra brb bre bri brr c-- caa cab cac cae cai car cba cbb cbc cbe cbi cbr cca ccb ccc cce cci ccr ce- cea ceb cec cee cei cer ci- cia cib cic cie cii cir cra crb crc cre cri crr eaa eab eac eae eai ear eba ebb ebc ebe ebi ebr ec- eca ecb ecc ece eci ecr eea eeb eec eee eer eia eib eic eie eii eir era erb erc ere eri err ia- iaa iab iac iae iai iar iba ibb ibc ibe ibi ibr ica icb icc ice ici icr ie- iea iec iee iei ier iia iib iic iie iii iir ir- ira irb irc ire iri irr ra- raa rab rac rae rai rar rba rbb rbc rbe rbi rbr rca rcb rcc rce rci rcr re- rea reb rec ree rei rer ria rib ric rie rii rir rra rrb rrc rri rrr

a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aaea aaec aaib aaic aaii aara aarc aare aari abaa abab abac abae abai abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abir abra abrc abri acaa acab acac acae acai acar acba acca accc acce acci ace- acea acec acer aci- acia acic acie acir acr- acra acrc acre acri acrr aeac aebi aecb aeci aeer aer- aera aerc aeri aiai aiba aica aicc aice aicr aiea aiee aiia aiib aiic aiir aira aire airi arab arac arae arai arar arba arbe arbi arc- arca arce arci area arec aree arei aria arib arie arii arr- arra arrc arre arri arrr ba-i baaa baar baba babb babe babi babr bac- baca bacc bace baci baer baia baib baic baie bair bar- bara barb barc bare bari barr bbbb bbci bbeb bbrc bcaa bcar bcbc bcca bccc bcci bcec bcer bcia bcie bcra bear beba bebb bebe bebi beca beci beeb beer beia beic beir bera berc bere beri berr biar biba bibb bibe bibi bica bicc bice bici bieb bier bira birb bire biri birr brab brac brae brai brca brcb brce brea breb brec bree brei brer bria bric brie brrr caaa caab caac caba cabe cabi cac- caca cacc cace caci cacr caec caei caer caia caib caic cair cara carb carc care cari carr cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbia cbir cbre ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccir ccra ccrc ccre ccri ceac cear ceba cec- ceca cece ceci ceeb ceec cer- cera cerc cere ceri ciaa ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciia ciii cira cirb circ cire ciri cirr crab crac crai crar crbc crca crcc crce crcr cre- crea creb crec cree crei cria crib cric crie eaba eaca eacc eaec eara earb eare ebac ebba ebbc ebbr ebcc eber ebic ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci ecib ecra ecrc ecri ecrr eeca eeea eeee eera eerc eica eiec eiei eier eira eire erba erbb erbe erca ercc erce ereb erec erei erer eria eric erie erra errc erre i-be iaaa iaac iaai iaba iaca iacc iacr iaea iaec iaia iara iarc iare ibac ibar ibca ibea ibec ibia ibie ibra ibrc ibri icaa icab icac icai icar icbc icca iccb iccc icci iccr icea icec icee icer icra icrc icre icrr ieac iecc ieie iera iere ieri iiac iica iiie iiii iira iirc irac irae irai irar irbe irca ircc iree irer iri- iria iric irie irra irrc irre irri raab raba rabb rabe rabi rac- raca racc race raci raec raer raia raic raie raii rair rara rarb rare rari rbbb rbbr rcac rcbc rccb rccc rcic rea- reac reae rear reba rebb rebe reca recc rece reci recr reeb reia reii reir rera rere reri riaa riab riai rib- riba ribe rica ricc rice rier riia rire riri rrrr

-aaa- a-iii aaaai aaace aaaee aaarc aabaa aabba aabra aacbc aaeri aaice aaiib aaria abaab ababa ababe abaca abaci abaer abaia abaie abair abara abare abari abbac abbai abbar abbia abbie abccc abear abeba abebe abece abeer abeie abera abere aberr abici abira abrac abrar acaca acacb acar- acara acare acari accia accra aceae acera acerb acier acirc acrab acrea acree acria aeaea aebbe aecia aeri- aeria aerie aiacr aiaia aibar aibre aicar airai airba airer ar-ab ara-c arab- araba arabe arabi araca arace araci araea araia araic araie arara arare arari arbab arbar arbee arber arbia arbib arbir arbre arcae arcee arcia arcic areae arear areca areia areic arere ariab aribe arica arire arrai arrea arria arrie baabe baari babai babar babec babee baber babia babic babie babra bacab bacar bacca bacci bacea bacia baiae baiba baici baier baira baire baraa barab barac barai barar barba barbe barbi barca barce barea barei barer bari- baria baric barie barra barre barri bbbee bbear bbiab be-er beara beare bebar beber bebic bebra becca becic beeac beebe beeri beibi beica beice beier beira beire berar berba berbe berca berea berec berei beria berie berra berre berri biace biara biarc biari bibar bibbe biber bibia bibic bibie bibra bibri bicer biebe biere bieri birac birar birba birca birie braai braca bracc brace braie breba brece breer breia brera brere briar bribe brica brice briec brier brrar brrrr c-a-c ca-ca caaba caare caber cabia cabie cabir cabra cabre