-al -er -ic a-a a-b a-c a-i aaa aab aac aae aaf aai aal aar ab- aba abb abc abe abf abi abl abr ac- aca acb acc ace acf aci acl acr aea aeb aec aee aef aei ael aer af- afa afb afc afe aff afi afl afr ai- aia aib aic aie aif aii ail air al- ala alb alc ale alf ali all alr ar- ara arb arc are arf ari arl arr baa bab bac bae baf bai bal bar bba bbb bbc bbe bbf bbi bbl bbr bca bcb bcc bce bcf bci bcl bcr be- bea beb bec bee bef bei bel ber bfa bfb bfc bfe bff bfi bfl bfr bi- bia bib bic bie bif bii bil bir bla blb blc ble blf bli bll blr bra brb bre brf bri brl brr c-- caa cab cac cae caf cai cal car cba cbb cbc cbe cbf cbi cbl cbr cca ccb ccc cce ccf cci ccl ccr ce- cea ceb cec cee cef cei cel cer cfa cfb cfc cfe cff cfi cfl cfr ci- cia cib cic cie cif cii cil cir cl- cla clb clc cle clf cli cll clr cra crb crc cre crf cri crl crr eaa eab eac eae eaf eai eal ear eba ebb ebc ebe ebf ebi ebl ebr ec- eca ecb ecc ece ecf eci ecl ecr eea eeb eec eee eef eel eer ef- efa efb efc efe eff efi efl efr eia eib eic eie eif eii eil eir ela elb elc ele elf eli ell elr era erb erc ere erf eri erl err faa fab fac fae faf fai fal far fba fbb fbc fbe fbf fbi fbl fbr fca fcb fcc fce fcf fci fcl fcr fea feb fec fee fef fei fel fer ffa ffc ffe fff ffi ffl ffr fia fib fic fie fif fii fil fir fla flb flc fle flf fli fll flr fra frb frc fre frf fri frl frr i-f ia- iaa iab iac iae iaf iai ial iar iba ibb ibc ibe ibf ibi ibl ibr ica icb icc ice icf ici icl icr ie- iea iec iee ief iei iel ier ifa ifb ifc ife iff ifi ifl ifr iia iib iic iie iif iii iil iir il- ila ilb ilc ile ilf ili ill ilr ir- ira irb irc ire irf iri irl irr la- laa lab lac lae laf lai lal lar lba lbb lbc lbe lbf lbi lbl lbr lca lcb lcc lce lcf lci lcl lcr lea leb lec lee lef lei lel ler lfa lfb lfc lfe lff lfi lfl lfr lia lib lic lie lif lii lil lir lla llb llc lle llf lli lll llr lra lrb lrc lrf lri lrr ra- raa rab rac rae raf rai ral rar rba rbb rbc rbe rbf rbi rbl rbr rca rcb rcc rce rcf rci rcl rcr re- rea reb rec ree ref rei rel rer rfa rfb rfc rfe rff rfi rfl rfr ria rib ric rie rif rii ril rir rla rlc rle rlf rli rll rlr rra rrb rrc rrf rri rrl rrr

a-be a-ii aaaa aaab aaac aaae aaaf aaai aaal aaar aaba aabb aabc aabi aabl aaca aacb aacc aace aacf aaci aacl aacr aaea aaec aafa aafb aafc aaff aafi aafl aaib aaic aaii aala aalc aale aali aall aara aarc aare aari abaa abab abac abae abaf abai abal abar abb- abba abbb abbe abbi abbr abca abcb abcc abcf abci abcl abcr abec abee abel aber abff abia abib abic abie abil abir abla able abra abrc abri acaa acab acac acae acai acar acba acbl acca accc acce accf acci ace- acea acec acel acer acfc acfe acfi acfl aci- acia acic acie acif acir acla aclc acle acli aclr acr- acra acrc acre acri acrr aeac aeaf aebi aecb aeci aecl aeer aela aelc aer- aera aerc aeri afaa afar afca afcb afcc afci afee afel afer affa affc affi afia afib afif afil afir afla aflc afle afr- afra afrc afre afri aiai aiba aibl aica aicc aice aicf aicr aiea aiee aiel aiff aifl aiia aiib aiic aiir aila aile aili aira aire airi alaa alac alae alai alal alar alb- alba albc albe albi alca alcc alce alea alec alee alef aler alfa alfe alfi ali- alia alib alie alif alii alil alir all- alla alle alli alll allr arab arac arae araf arai aral arar arba arbe arbi arc- arca arce arci area arec aree aref arei arel arfa arfb arfc arff aria arib arie arif arii aril arla arle arli arr- arra arrc arre arri arrr ba-i baaa baaf baal baar baba babb babe babi babr bac- baca bacc bace baci bael baer bafc baff baia baib baic baie bail bair bala balc bale balf bali ball bar- bara barb barc bare barf bari barr bbbb bbci bbeb bbfc bblb bbrc bcaa bcar bcbc bcca bccc bcci bccl bcec bcer bcfc bcia bcie bcra beaf beal bear beba bebb bebe bebi beca beci beeb beef beel beer befa befe beff beia beic beil beir bela bele beli bell bera berc bere beri berr bfca bffl biaf bial biar biba bibb bibe bibi bibl bica bicc bice bici bieb bief biel bier bifa biff bifi bila bile bili bill bira birb bire biri birl birr blaa blab blac blae blea bleb blee blei blfc blic blir blrc brab brac brae braf brai brca brcb brce brea breb brec bree bref brei brel brer brfc bria bric brie bril brrr caaa caab caac caaf caal caba cabe cabf cabi cac- caca cacc cace caci cacr caec caei caer cafa cafb cafc cafe caff cafl caia caib caic cail cair cala calc cale calf cali call cara carb carc care carf cari carl carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcr cbea cbec cbee cbef cber cbfb cbfc cbia