-al a-a a-b a-c aaa aab aac aaf aah aal aar aau ab- aba abb abc abf abh abl abr abu ac- aca acb acc acf ach acl acr acu af- afa afb afc aff afh afl afr afu aha ahb ahc ahf ahh ahl ahr ahu al- ala alb alc alf alh all alr alu ar- ara arb arc arf arh arl arr aru au- aua aub auc auf auh aul aur b-u baa bab bac baf bah bal bar bau bba bbb bbc bbf bbh bbl bbr bbu bca bcb bcc bcf bch bcl bcr bcu bfa bfb bfc bff bfh bfl bfr bfu bha bhb bhc bhf bhh bhl bhr bhu bla blb blc blf blh bll blr blu bra brb brf brh brl brr bru bua bub buc buf buh bul bur buu c-- caa cab cac caf cah cal car cau cba cbb cbc cbf cbh cbl cbr cbu cca ccb ccc ccf cch ccl ccr ccu cfa cfb cfc cff cfh cfl cfr cfu ch- cha chb chc chf chh chl chr chu cl- cla clb clc clf clh cll clr clu cra crb crc crf crh crl crr cru cua cub cuc cuf cuh cul cur cuu faa fab fac faf fah fal far fau fba fbb fbc fbf fbh fbl fbr fbu fca fcb fcc fcf fcl fcr fcu ffa ffc fff ffh ffl ffr ffu fha fhb fhc fhf fhh fhl fhr fla flb flc flf fll flr flu fra frb frc frf frh frl frr fru fua fub fuf ful fur fuu haa hab hac haf hah hal har hau hba hbb hbc hbf hbh hbl hbr hbu hca hcb hcc hcf hch hcl hcr hfa hfb hfc hff hfh hfl hfr hfu hha hhb hhc hhf hhh hhl hhr hhu hla hlb hlc hlf hlh hll hlr hlu hr- hra hrb hrc hrf hrh hrl hrr hru hua hub huc huf huh hul hur huu la- laa lab lac laf lah lal lar lau lba lbb lbc lbf lbh lbl lbr lbu lca lcb lcc lcf lch lcl lcr lcu lfa lfb lfc lff lfh lfl lfr lfu lha lhb lhc lhf lhh lhr lhu lla llb llc llf lll llr llu lra lrb lrc lrf lrh lrr lru lua lub luc luf luh lul lur luu ra- raa rab rac raf rah ral rar rau rba rbb rbc rbf rbh rbl rbr rbu rca rcb rcc rcf rch rcl rcr rcu rfa rfb rfc rff rfh rfl rfr rfu rh- rha rhb rhc rhf rhh rhl rhr rhu rla rlc rlf rlh rll rlr rlu rra rrb rrc rrf rrh rrl rrr rru rua rub ruc ruf ruh rur ruu ua- uaa uab uac uaf uah ual uar uau uba ubb ubc ubf ubh ubl ubr ubu uca ucb ucc ucf uch ucl ucr ucu ufa ufc uff ufh ufl ufr ufu uha uhb uhc uhf uhh uhl uhr uhu ula ulb ulc ulf ull ulr ulu ur- ura urb urc urf url urr uru uua uuc uur uuu

a-fu a-ha aaaa aaab aaac aaaf aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aacl aacr aacu aafa aafb aafc aaff aafl aaha aahl aala aalc aall aalu aara aarc aaru abaa abab abac abaf abal abar abau abb- abba abbb abbr abca abcb abcc abcf abch abcl abcr abff abha abhr abla abra abrc abua abuf abul acaa acab acac acar acba acbl acca accc accf acch accu acfc acfl acha achh achl achr achu acla aclc aclr aclu acr- acra acrc acrr acu- acuf acul acur afaa afar afca afcb afcc afch afcu affa affc afla aflc afr- afra afrc afru afua ahab ahac ahah ahal ahar ahau ahfa ahha ahla ahlu ahra ahrc ahrr ahua alaa alac alal alar alau alb- alba albc albu alca alcc alfa alha all- alla allh alll allr allu alua aluf alur arab arac araf arah aral arar arau arba arbh arc- arca arch arfa arfb arfc arff arfu arh- arla arr- arra arrc arrh arrr arru arua arub arul auaa auca auch aufc aul- aula aulf aull aulu aur- aura baaa baaf baah baal baar baba babb babr babu bac- baca bacc bach bafc baff baha bahl bahr bahu bala balc balf ball balu bar- bara barb barc barf barh barr baru bau- bauf baul baur bbau bbbb bbch bbfc bblb bbrc bcaa bcar bcbc bcca bccc bccl bcfc bcra bcru bcuc bfca bffl bhar bhca bhcc bhff bhra bhur bhuu blaa blab blac blah blau blcu blfc blrc blub bluf blur brab brac braf brah brau brca brcb brfc brfu brrr bruc bruh bual buar buba bubb bubu buca bucc buch bucu bufc buff bufr buha buhl buhr bula bulb bull bulu bur- bura burb burh burl burr buru caaa caab caac caaf caah caal caba cabf cabu cac- caca cacc cach cacr cafa cafb cafc caff cafl cafu caha cahl cala calc calf call calu cara carb carc carf carl carr cauc cauf caul cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbfb cbfc cbha cbhl cblb cblc cbrh cbrl ccaa ccab ccac ccaf ccar ccba ccbc ccca cccb cccc cccf cccl cccu ccfa ccfc ccff ccfl ccha cchl cchr ccla cclc ccra ccrc ccrf ccrl ccuc cfaa cfab cfac cfar cfbc cfbr cfca cfcb cfcf cfcl cffb cffr cfra cfrb chaa chab chac chaf chah chal char chau chca chch chfa chfc chfr chha chlc chlr chra chrb chrc chrf chrr chua chub chul chur clab claf clar clau clra club cluh crab crac craf crar crau crbc crbu crca crcc crcr crfc crfl crlf crub cuau cub- cuba cubb cuca cucc cufa cufc cuff cula culb culc cull cura curb curf curl curr faaa faac faah faba fabu faca facc fach fafa fafc faff faha fahr fala falc fall falu fara farb farc farl farr faru faul faur fbar fbla fcab fcal fcar fcba fcca fccf fcch fcra ffar ffcc