-al -ol -th a-a a-b a-t aaa aab aae aaf aah aal aao aat aau aax ab- aba abb abe abf abh abl abo abt abu abx aea aeb aee aef aeh ael aeo aet aeu aex af- afa afb afe aff afh afl afo aft afu afx aha ahb ahe ahf ahh ahl aho aht ahu ahx al- ala alb ale alf alh all alo alt alu alx aoa aob aoe aof aoh aol aoo aot aou aox at- ata atb ate atf ath atl ato att atu atx au- aua aub aue auf auh aul auo aut aux ax- axa axe axh axl axo axt axx b-u baa bab bae baf bah bal bao bat bau bax bba bbb bbe bbf bbh bbl bbo bbt bbu bbx be- bea beb bee bef beh bel beo bet beu bex bfa bfb bfe bff bfh bfl bfo bft bfu bfx bha bhb bhe bhf bhh bhl bho bht bhu bhx bla blb ble blf blh bll blo blt blu blx boa bob boe bof boh bol boo bot bou box bta btb bte btf bth btl bto btt btu btx bua bub bue buf buh bul buo but buu bux bxb bxl bxo bxx eaa eab eae eaf eah eal eao eat eau eax eba ebb ebe ebf ebh ebl ebo ebt ebu ebx eea eeb eee eef eel eeo eet eex ef- efa efb efe eff efh efl efo eft efx eha ehb ehe ehf ehh ehl eho eht ehu ela elb ele elf elh ell elo elt elu elx eo- eoa eob eoe eof eoh eol eoo eot eou eta etb ete etf eth etl eto ett etu etx eu- eua eub eue euf eul eut eux ex- exa exe exh exl exo ext exu exx faa fab fae faf fah fal fao fat fau fax fba fbb fbe fbf fbh fbl fbo fbt fbu fbx fea feb fee fef feh fel feo fet feu fex ffa ffe fff ffh ffl ffo fft ffu ffx fha fhb fhe fhf fhh fhl fho fla flb fle flf fll flo flt flu flx foa fob foe fof foh fol foo fot fou fox fta ftb fte ftf fth ftl fto ftt ftu ftx fua fub fue fuf ful fuo fut fuu fux fxe fxt fxu fxx haa hab hae haf hah hal hao hat hau hax hba hbb hbe hbf hbh hbl hbo hbt hbu hbx he- hea heb hee hef heh hel heo het heu hex hfa hfb hfe hff hfh hfl hfo hft hfu hha hhb hhe hhf hhh hhl hho hht hhu hla hlb hle hlf hlh hll hlo hlt hlu hlx hoa hob hoe hof hoh hol hoo hot hou hox hta htb hte htf hth htl hto htt htx hua hub hue huf huh hul huo hut huu hux hxl la- laa lab lae laf lah lal lao lat lau lax lba lbb lbe lbf lbh lbl lbo lbt lbu lbx lea leb lee lef leh lel leo let leu lex lfa lfb lfe lff lfh lfl lfo lft lfu lfx lha lhb lhf lhh lho lht lhu lhx lla llb lle llf lll llo llt llu loa lob loe lof loh lol loo lot lou lox lta ltb lte ltf lth ltl lto ltt ltu ltx lua lub lue luf luh lul luo lut luu lux lxo lxx oaa oab oae oaf oah oal oao oat oau oax ob- oba obb obe obf obh obl obo obt obu obx oea oeb oee oef oeh oel oeo oet oex of- ofa ofb ofe off ofl ofo oft ofu ofx oha ohe ohf ohh ohl oho oht ohu ola olb ole olf oll olo olt olu oo- ooa oob oof ooh ool ooo oot oox ot- ota otb ote otf oth otl oto ott otu ou- oua oue ouf ouh oul ouo out ox- oxa oxb oxf oxo oxt oxx t-x taa tab tae taf tah tal tao tat tau tax tba tbb tbe tbf tbh tbl tbo tbt tbu te- tea teb tee tef teh tel teo tet teu tex tfa tfb tfe tff tfh tfl tfo tft tfu tfx th- tha thb the thf thh thl tho tht thu thx tla tle tlf tlh tll tlo tlt tlu tlx to- toa tob toe tof toh tol too tot tou tox tta ttb tte ttf tth ttl tto ttt ttu ttx tua tub tue tuf tuh tul tuo tut tuu tux txe txf txl txt txu ua- uaa uab uae uaf uah ual uao uat uau uba ubb ube ubf ubh ubl ubo ubt ubu ubx uea ueb uee uef ueh uel uet ufa ufe uff ufh ufl ufo uft ufu ufx uha uhb uhe uhf uhh uhl uho uht uhu ula ulb ule ulf ull ulo ult ulu uoa uob uoe uol uoo uot uox uta utb ute utf uth utl uto utt utu utx uua uue uut uuu uxb uxf uxo uxt uxu xaa xaf xal xat xau xbe xbl xbx xee xel xet xeu xex xfa xfe xfh xfl xft xfx xht xla xlb xlf xlt xoa xof xoo xot xox xtf xtx xue xul xxl xxo xxx