-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aak aal aao aas aat ab- aba abb abc abi abk abl abo abs abt ac- aca acb acc aci ack acl aco acs act ai- aia aib aic aii aik ail aio ais ait aka akb akc aki akk akl ako aks al- ala alb alc ali alk all alo als alt aoa aob aoc aoi aok aol aoo aos aot as- asa asb asc asi ask asl aso ass ast at- ata atb atc ati atl ato ats att baa bab bac bai bak bal bao bas bat bba bbb bbc bbi bbk bbl bbo bbs bbt bca bcb bcc bci bck bcl bco bcs bct bi- bia bib bic bii bik bil bio bis bit bka bkb bkc bkk bkl bko bks bkt bla blb blc bli blk bll blo bls blt boa bob boc boi bok bol boo bos bot bsa bsb bsc bsi bsk bsl bso bss bst bta btb btc bti btk btl bto bts btt c-- caa cab cac cai cak cal cao cas cat cba cbb cbc cbi cbk cbl cbo cbs cbt cca ccb ccc cci cck ccl cco ccs cct ci- cia cib cic cii cik cil cio cis cit cka ckb ckc cki cko cks ckt cl- cla clb clc cli clk cll clo cls clt co- coa cob coc coi cok col coo cos cot csa csb csc csi csk csl cso css cst cta ctb ctc cti ctk ctl cto cts ctt ia- iaa iab iac iai ial iao ias iat iba ibb ibc ibi ibk ibl ibo ibs ibt ica icb icc ici ick icl ico ics ict iia iib iic iii iil iio iis iit ika ikb ikc iki ikk ikl iko iks ikt il- ila ilb ilc ili ilk ill ilo ils ilt io- ioa iob ioc ioi iol ioo ios iot is- isa isb isc isi isk isl iso iss ist ita itb itc iti itk itl ito its itt k-t ka- kaa kab kac kai kak kal kao kas kat kba kbb kbc kbi kbk kbl kbo kbs kca kcb kcc kci kck kcl kcs kct kia kib kic kii kik kil kio kis kit kkb kkc kki kkk kkl kks kkt kl- kla klb klc kli klo kls klt koa kob koc koi kok kol koo kos kot ksa ksb ksc ksi ksk ksl kso kss kst kta ktb ktc ktk ktl kto kts ktt la- laa lab lac lai lak lal lao las lat lba lbb lbc lbi lbk lbl lbo lbs lbt lca lcb lcc lci lck lcl lco lcs lct lia lib lic lii lik lil lio lis lit lka lkb lkl lks lkt lla llb llc lli llk lll llo lls llt loa lob loc loi lok lol loo los lot lsa lsb lsc lsi lsk lsl lso lss lst lta ltb ltc lti ltk ltl lto lts ltt o-i oaa oab oac oai oak oal oao oas oat ob- oba obb obc obi obk obl obo obs obt oc- oca ocb occ oci ock ocl oco ocs oct oia oib oic oii oik oil oio ois oit oka okb okc oki okk okl oko oks ola olb olc oli olk oll olo ols olt oo- ooa oob ooc ooi ook ool ooo oos oot os- osa osb osc osi osk osl oso oss ost ot- ota otb otc oti otk otl oto ots ott saa sab sac sai sak sal sao sas sat sba sbb sbc sbi sbk sbl sbo sbs sbt sca scb scc sci sck scl sco scs sct sia sib sic sii sik sil sio sis sit sk- ska skb skc ski skk skl sko sks skt sla slb slc sli slk sll slo sls slt soa sob soc soi sok sol soo sos sot ss- ssa ssb ssc ssi ssk ssl sso sss sst sta stb stc sti stk stl sto sts stt taa tab tac tai tak tal tao tas tat tba tbb tbc tbi tbk tbl tbo tbs tbt tca tcb tcc tci tck tcl tco tcs tct tia tib tic tii tik til tio tis tit tka tkb tkc tkk tkl tko tks tkt tla tlc tli tlk tll tlo tls tlt to- toa tob toc toi tok tol too tos tot tsa tsb tsc tsi tsk tsl tso tss tst tta ttb ttc tti ttk ttl tto tts ttt