-al -er -ol a-a a-b a-c aaa aab aac aae aal aao aar aau ab- aba abb abc abe abl abo abr abu ac- aca acb acc ace acl aco acr acu aea aeb aec aee ael aeo aer aeu al- ala alb alc ale all alo alr alu aoa aob aoc aoe aol aoo aor aou ar- ara arb arc are arl aro arr aru au- aua aub auc aue aul auo aur b-u baa bab bac bae bal bao bar bau bba bbb bbc bbe bbl bbo bbr bbu bca bcb bcc bce bcl bco bcr bcu be- bea beb bec bee bel beo ber beu bla blb blc ble bll blo blr blu boa bob boc boe bol boo bor bou bra brb bre brl bro brr bru bua bub buc bue bul buo bur buu c-- caa cab cac cae cal cao car cau cba cbb cbc cbe cbl cbo cbr cbu cca ccb ccc cce ccl cco ccr ccu ce- cea ceb cec cee cel ceo cer ceu cl- cla clb clc cle cll clo clr clu co- coa cob coc coe col coo cor cou cra crb crc cre crl cro crr cru cua cub cuc cue cul cuo cur cuu eaa eab eac eae eal eao ear eau eba ebb ebc ebe ebl ebo ebr ebu ec- eca ecb ecc ece ecl eco ecr ecu eea eeb eec eee eel eeo eer ela elb elc ele ell elo elr elu eo- eoa eob eoc eoe eol eoo eor eou era erb erc ere erl ero err eru eu- eua eub euc eue eul eur la- laa lab lac lae lal lao lar lau lba lbb lbc lbe lbl lbo lbr lbu lca lcb lcc lce lcl lco lcr lcu lea leb lec lee lel leo ler leu lla llb llc lle lll llo llr llu loa lob loc loe lol loo lor lou lra lrb lrc lro lrr lru lua lub luc lue lul luo lur luu oaa oab oac oae oal oao oar oau ob- oba obb obc obe obl obo obr obu oc- oca ocb occ ocl oco ocr ocu oea oeb oec oee oel oeo oer ola olb olc ole oll olo olu oo- ooa oob ooc ool ooo oor or- ora orb orc ore orl oro orr oru ou- oua ouc oue oul ouo our ra- raa rab rac rae ral rao rar rau rba rbb rbc rbe rbl rbo rbr rbu rca rcb rcc rce rcl rco rcr rcu re- rea reb rec ree rel reo rer reu rla rlc rle rll rlo rlr rlu roa rob roc roe rol roo ror rou rra rrb rrc rrl rrr rru rua rub ruc rue ruo rur ruu ua- uaa uab uac uae ual uao uar uau uba ubb ubc ube ubl ubo ubr ubu uca ucb ucc uce ucl uco ucr ucu uea ueb uec uee uel uer ula ulb ulc ule ull ulo ulr ulu uoa uob uoc uoe uol uoo uor ur- ura urb urc ure url uro urr uru uua uuc uue uur uuu

a-be aaaa aaab aaac aaae aaal aaar aaba aabb aabc aabl aaca aacb aacc aace aacl aaco aacr aacu aaea aaec aala aalc aale aall aalo aalu aaoe aaoo aara aarc aare aaro aaru abaa abab abac abae abal abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcl abcr abec abee abel aber abla able ablo aboa abob abol aboo abor abou abra abrc abro abua abue abul acaa acab acac acae acar acba acbl acca accc acce acco accu ace- acea acec acel acer acla aclc acle aclr aclu acoa acoe acol acor acou acr- acra acrc acre acro acrr acu- acue acul acuo acur aeac aecb aecl aeer aela aelc aer- aera aerc aero alaa alac alae alal alao alar alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee aleo aler aleu all- alla alle alll allo allr allu aloa aloc aloe alol aloo alor alou alro alua alur aoba aoca aoce aoeu aola aole aora aorb aoul arab arac arae aral arar arau arba arbe arc- arca arce arco area arec aree arel areo areu arla arle arlo aroa arob aroe aroo aror arr- arra arrc arre arro arrr arru arua arub arue arul auaa aube auca auce auel auer aul- aula aule aull aulo aulu auol aur- aura aure auro baaa baal baar baba babb babe babo babr babu bac- baca bacc bace baco bael baer bala balc bale ball balo balu baol bar- bara barb barc bare baro barr baru bau- baul baur bbau bbbb bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcec bcer bcor bcra bcru bcuc beal bear beau beba bebb bebe bebo beca becu beeb beel beer bela bele bell belo belu beo- beor bera berc bere bero berr beru beur blaa blab blac blae blau blcu blea bleb blee bleo bleu blob bloc bloo blou blrc blub blue blur boab boac boal boar boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boel boeo boer bola bole boll bolo bolu boob booc booe bool boor bor- bora bore boro borr boru boua boue boul bour brab brac brae brao brau brca brcb brce brea breb brec bree brel breo brer broa brob broc broe brol broo bror brou brrr bruc brue bual buar buba bubb bube bubo bubu buca bucc buce buco bucu buea buel buer bueu bula bulb bule bull bulu buol bur- bura burb bure burl buro burr buru c-bo caaa caab caac caal caba cabe cabo cabu cac- caca cacc cace caco cacr caec caer caeu cala calc cale call calo calu caol caor cara carb carc care carl caro carr cauc caul cauo cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcr cbcu cbea cbec cbee cber cblb cblc cbol cbre cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccla