-al -ol a-a a-b a-c a-t aaa aab aac aak aal aao aas aat aau ab- aba abb abc abk abl abo abs abt abu ac- aca acb acc ack acl aco acs act acu aka akb akc akk akl ako aks aku al- ala alb alc alk all alo als alt alu aoa aob aoc aok aol aoo aos aot aou as- asa asb asc ask asl aso ass ast asu at- ata atb atc atl ato ats att atu au- aua aub auc auk aul auo aus aut b-u baa bab bac bak bal bao bas bat bau bba bbb bbc bbk bbl bbo bbs bbt bbu bca bcb bcc bck bcl bco bcs bct bcu bka bkb bkc bkk bkl bko bks bkt bla blb blc blk bll blo bls blt blu boa bob boc bok bol boo bos bot bou bsa bsb bsc bsk bsl bso bss bst bsu bta btb btc btk btl bto bts btt btu bua bub buc buk bul buo bus but buu c-- caa cab cac cak cal cao cas cat cau cba cbb cbc cbk cbl cbo cbs cbt cbu cca ccb ccc cck ccl cco ccs cct ccu cka ckb ckc cko cks ckt cl- cla clb clc clk cll clo cls clt clu co- coa cob coc cok col coo cos cot cou csa csb csc csk csl cso css cst csu cta ctb ctc ctk ctl cto cts ctt ctu cua cub cuc cuk cul cuo cus cut cuu k-t ka- kaa kab kac kak kal kao kas kat kau kba kbb kbc kbk kbl kbo kbs kbu kca kcb kcc kck kcl kcs kct kcu kkb kkc kkk kkl kks kkt kku kl- kla klb klc klo kls klt klu koa kob koc kok kol koo kos kot kou ksa ksb ksc ksk ksl kso kss kst ksu kta ktb ktc ktk ktl kto kts ktt ktu kub kuc kuk kul kus kut kuu la- laa lab lac lak lal lao las lat lau lba lbb lbc lbk lbl lbo lbs lbt lbu lca lcb lcc lck lcl lco lcs lct lcu lka lkb lkl lks lkt lla llb llc llk lll llo lls llt llu loa lob loc lok lol loo los lot lou lsa lsb lsc lsk lsl lso lss lst lsu lta ltb ltc ltk ltl lto lts ltt ltu lua lub luc luk lul luo lus lut luu oaa oab oac oak oal oao oas oat oau ob- oba obb obc obk obl obo obs obt obu oc- oca ocb occ ock ocl oco ocs oct ocu oka okb okc okk okl oko oks oku ola olb olc olk oll olo ols olt olu oo- ooa oob ooc ook ool ooo oos oot os- osa osb osc osk osl oso oss ost osu ot- ota otb otc otk otl oto ots ott otu ou- oua ouc ouk oul ouo ous out saa sab sac sak sal sao sas sat sau sba sbb sbc sbk sbl sbo sbs sbt sbu sca scb scc sck scl sco scs sct scu sk- ska skb skc skk skl sko sks skt sku sla slb slc slk sll slo sls slt slu soa sob soc sok sol soo sos sot sou ss- ssa ssb ssc ssk ssl sso sss sst ssu sta stb stc stk stl sto sts stt stu sua sub suc suk sul suo sus sut suu taa tab tac tak tal tao tas tat tau tba tbb tbc tbk tbl tbo tbs tbt tbu tca tcb tcc tck tcl tco tcs tct tcu tka tkb tkc tkk tkl tko tks tkt tla tlc tlk tll tlo tls tlt tlu to- toa tob toc tok tol too tos tot tou tsa tsb tsc tsk tsl tso tss tst tsu tta ttb ttc ttk ttl tto tts ttt ttu tua tub tuc tuk tul tuo tus tut tuu ua- uaa uab uac uak ual uao uas uat uau uba ubb ubc ubk ubl ubo ubs ubt ubu uca ucb ucc uck ucl uco ucs uct ucu uka ukb ukc ukk ukl uku ula ulb ulc ulk ull ulo uls ult ulu uoa uob uoc uok uol uoo uos uot usa usb usc usk usl uso uss ust usu uta utb utc utk utl uto uts utt utu uua uuc uus uut uuu

-ous a-ak a-ok aaaa aaab aaac aaal aaas aaba aabb aabc aabl aabt aaca aacb aacc aack aacl aaco aacs aact aacu aaka aaku aala aalc aall aalo aals aalu aaoo aasa aasc aass aast aasu aata aatc aatk aatt aaus abaa abab abac abak abal abas abat abau abb- abba abbb abbo abbs abbt abca abcb abcc abcl abcs abct abla ablo abls aboa abob abok abol aboo abos abot abou abs- absa absl abss absu abta abts abtu abua abuk abul abus abut ac-t acaa acab acac acas acat acba acbl acca accc acco accs acct accu acks acla aclc acls aclu acoa acol acos acot acou acsa acsc acsl acss acst acta actc actl acto acts actt actu acu- acul acuo acus acut akaa akal akao akas akca akka akko akku aklo akok akos akot aksa akst aksu akua alaa alac alak alal alao alas alat alau alb- alba albc albo albs albu alca alcc alco alcs alk- alka alkb alko alku all- alla alll allo alls allu aloa aloc alok alol aloo alos alot alou alsa alsc also alst alta alto alts alua aluk alus alut aoba aoca aocs aoks aola aoss aotc aoul aous aout asaa asab asac asak asal asao asas asat asau asba asbo asbu asc- asca ascb ascc ascl asco asct aska asko asks askt asla aslo asob asoc asok asos asot asou assa assc assk assl asso asss asst assu asta astb astc astl asto asts asub asus at-l at-t ataa atab atac atak atal atas atat atbs atca atcc atck atcl atco atcs atka atkt atla atlo atls atob atoc atok atol atos atot