-er a-a a-b a-c a-t aaa aab aac aae aak aan aar aat ab- aba abb abc abe abk abn abr abt ac- aca acb acc ace ack acn acr act aea aeb aec aee aek aen aer aet aka akb akc ake akk akn akr an- ana anb anc ane ank ann anr ant ar- ara arb arc are ark arn arr art at- ata atb atc ate atn atr att baa bab bac bae bak ban bar bat bba bbb bbc bbe bbk bbn bbr bbt bca bcb bcc bce bck bcn bcr bct be- bea beb bec bee bek ben ber bet bka bkb bkc bke bkk bkn bkr bkt bna bnb bnc bne bnk bnn bnr bnt bra brb bre brk brn brr brt bta btb btc bte btk btn btr btt c-- caa cab cac cae cak can car cat cba cbb cbc cbe cbk cbn cbr cbt cca ccb ccc cce cck ccn ccr cct ce- cea ceb cec cee cek cen cer cet cka ckb ckc ckt cn- cna cnb cnc cne cnn cnr cnt cra crb crc cre crk crn crr crt cta ctb ctc cte ctk ctn ctr ctt eaa eab eac eae eak ean ear eat eba ebb ebc ebe ebk ebn ebr ebt ec- eca ecb ecc ece eck ecn ecr ect eea eeb eec eee eek een eer eet eka ekb ekc eke ekr ekt en- ena enb enc ene enk enn enr ent era erb erc ere erk ern err ert eta etb etc ete etk etn etr ett k-t ka- kaa kab kac kae kak kan kar kat kba kbb kbc kbe kbk kbn kbr kca kcb kcc kce kck kcn kcr kct ke- kea keb kec kee kek ken ker ket kkb kkc kke kkk kkn kkr kkt kn- kna knc kne knk knn knr knt kra krc krk krn krr krt kta ktb ktc kte ktk ktn ktr ktt naa nab nac nae nak nan nar nat nba nbb nbc nbe nbk nbn nbr nbt nca ncb ncc nce nck ncn ncr nct ne- nea neb nec nee nek nen ner net nka nkc nke nkk nkn nkr nkt nna nnb nnc nne nnk nnn nnt nra nrb nrc nre nrk nrn nrr nrt nta ntb ntc nte ntk ntn ntr ntt ra- raa rab rac rae rak ran rar rat rba rbb rbc rbe rbk rbn rbr rbt rca rcb rcc rce rcn rcr rct re- rea reb rec ree rek ren rer ret rkb rkc rke rkk rkt rna rnb rnc rnn rnr rnt rra rrb rrc rrk rrn rrr rrt rta rtb rtc rte rtk rtn rtr rtt taa tab tac tae tak tan tar tat tba tbb tbc tbe tbk tbn tbr tbt tca tcb tcc tce tck tcn tcr tct te- tea teb tec tee tek ten ter tet tka tkb tkc tke tkk tkr tkt tna tnb tnc tne tnk tnn tnr tnt tra trb trc tre trk trn trr trt tta ttb ttc tte ttk ttn ttr ttt

-ana -ane -ene a-ak a-be aaaa aaab aaac aaae aaan aaar aaba aabb aabc aabt aaca aacb aacc aace aack aacn aacr aact aaea aaec aaen aaka aake aana aane aara aarc aare aart aata aatc aatk aatt abaa abab abac abae abak aban abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abcn abcr abct abec abee aben aber abet abra abrc abta ac-t acaa acab acac acae acan acar acat acba acca accc acce acct ace- acea acec acek acen acer acet acke acne acr- acra acrc acre acrr acta actc acte actt aeac aean aebn aecb aect aeer aeka aena aent aer- aera aerc aeta aetc aetn aetr aett akaa akae akan akar akca akee aken aker akka akna akr- akra akre akte ana- anaa anab anac anae anak anan anar anat anba anbb anca ancc ance anct anec anee anen aner anet ank- anka anke anna annb anne annt anrc ant- anta ante antr antt arab arac arae arak aran arar arat arba arbe arc- arca arce arct area arec aree arek aren aret arka arke arna arne arnk arnt arr- arra arrc arre arrk arrr arrt arta artc arte artr at-t ataa atab atac atae atak atan atar atat atca atcc atck atcr atea atec atee aten ater atka atkt atna atra atrc atre atrk atrn atta atte attn attr baaa baak baan baar baat baba babb babe babr bac- baca bacc bace back bacn bact baek baer bak- baka bake bakr bakt bana banc bane bank bann banr bant bar- bara barb barc bare bark barn barr bart bata batc bate batn batt bbbb bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bcra bctc beak bean bear beat beba bebb bebe beca beck beeb beek been beer beet beka beke bena bene benk benn bent bera berc bere berk bern berr bert beta betc bete bett bner bnet bnrr bnta brab brac brae brak bran brat brca brcb brce brea breb brec bree brek bren brer bret brka brkb brna brrr brtc btaa btan btcc btec btek bten btrc btrt bttb caaa caab caac caan caat caba cabe cac- caca cacc cace cack cacr caec caen caer caka cake cana canc cane cank cann cant cara carb carc care cark carn carr cart cat- cata catb catc cate catt cbac cbar cbat cbbc cbca cbcc cbce cbcn cbcr cbct cbea cbec cbee cber cbet cbka cbkn cbkr cbna cbre cbrn cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccbn ccca cccb cccc ccee ccna ccnb ccnc ccne ccnr ccra ccrc ccre ccrt cctb cctc cctt ceac cean cear ceat ceba cec- ceca cece cect ceeb ceec ceke cen- cena cene cent cer- cera cerc cere cern cert cet- ceta cete ckac ckan ckat ckbc ckbe ckck cken cker cknb cknc cknt ckrc cktb cnaa cnac cnbc cnet cnna cnrc cnrr cnrt cnta cntc cntk cntr