-al -ol a-a a-b a-c a-t aaa aab aac aaf aak aal aao aat aau ab- aba abb abc abf abk abl abo abt abu ac- aca acb acc acf ack acl aco act acu af- afa afb afc aff afk afl afo aft afu aka akb akc akk akl ako aku al- ala alb alc alf alk all alo alt alu aoa aob aoc aof aok aol aoo aot aou at- ata atb atc atf atl ato att atu au- aua aub auc auf auk aul auo aut b-u baa bab bac baf bak bal bao bat bau bba bbb bbc bbf bbk bbl bbo bbt bbu bca bcb bcc bcf bck bcl bco bct bcu bfa bfb bfc bff bfl bfo bft bfu bka bkb bkc bkf bkk bkl bko bkt bla blb blc blf blk bll blo blt blu boa bob boc bof bok bol boo bot bou bta btb btc btf btk btl bto btt btu bua bub buc buf buk bul buo but buu c-- caa cab cac caf cak cal cao cat cau cba cbb cbc cbf cbk cbl cbo cbt cbu cca ccb ccc ccf cck ccl cco cct ccu cfa cfb cfc cff cfk cfl cfo cft cfu cka ckb ckc cko ckt cl- cla clb clc clf clk cll clo clt clu co- coa cob coc cof cok col coo cot cou cta ctb ctc ctf ctk ctl cto ctt ctu cua cub cuc cuf cuk cul cuo cut cuu faa fab fac faf fak fal fao fat fau fba fbb fbc fbf fbk fbl fbo fbt fbu fca fcb fcc fcf fck fcl fco fct fcu ffa ffc fff ffk ffl ffo fft ffu fka fkb fkc fkf fkk fkl fkt fla flb flc flf fll flo flt flu foa fob foc fof fok fol foo fot fou fta ftb ftc ftf ftk ftl fto ftt ftu fua fub fuf fuk ful fuo fut fuu k-t ka- kaa kab kac kaf kak kal kao kat kau kba kbb kbc kbf kbk kbl kbo kbu kca kcb kcc kck kcl kct kcu kfa kfc kff kfo kfu kkb kkc kkk kkl kkt kku kl- kla klb klc klf klo klt klu koa kob koc kof kok kol koo kot kou kta ktb ktc ktf ktk ktl kto ktt ktu kub kuc kuk kul kut kuu la- laa lab lac laf lak lal lao lat lau lba lbb lbc lbf lbk lbl lbo lbt lbu lca lcb lcc lcf lck lcl lco lct lcu lfa lfb lfc lff lfk lfl lfo lft lfu lka lkb lkl lkt lla llb llc llf llk lll llo llt llu loa lob loc lof lok lol loo lot lou lta ltb ltc ltf ltk ltl lto ltt ltu lua lub luc luf luk lul luo lut luu oaa oab oac oaf oak oal oao oat oau ob- oba obb obc obf obk obl obo obt obu oc- oca ocb occ ocf ock ocl oco oct ocu of- ofa ofb ofc off ofl ofo oft ofu oka okb okc okk okl oko oku ola olb olc olf olk oll olo olt olu oo- ooa oob ooc oof ook ool ooo oot ot- ota otb otc otf otk otl oto ott otu ou- oua ouc ouf ouk oul ouo out taa tab tac taf tak tal tao tat tau tba tbb tbc tbf tbk tbl tbo tbt tbu tca tcb tcc tcf tck tcl tco tct tcu tfa tfb tfc tff tfk tfl tfo tft tfu tka tkb tkc tkk tkl tko tkt tla tlc tlf tlk tll tlo tlt tlu to- toa tob toc tof tok tol too tot tou tta ttb ttc ttf ttk ttl tto ttt ttu tua tub tuc tuf tuk tul tuo tut tuu ua- uaa uab uac uaf uak ual uao uat uau uba ubb ubc ubf ubk ubl ubo ubt ubu uca ucb ucc ucf uck ucl uco uct ucu ufa ufc uff ufl ufo uft ufu uka ukb ukc ukf ukk ukl uku ula ulb ulc ulf ulk ull ulo ult ulu uoa uob uoc uok uol uoo uot uta utb utc utf utk utl uto utt utu uua uuc uut uuu