-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aak aal aao aap aas aat ab- aba abb abc abi abk abl abo abp abs abt ac- aca acb acc aci ack acl aco acp acs act ai- aia aib aic aii aik ail aio aip ais ait aka akb akc aki akk akl ako akp aks al- ala alb alc ali alk all alo alp als alt aoa aob aoc aoi aok aol aoo aop aos aot ap- apa apb apc api apk apl apo app aps apt as- asa asb asc asi ask asl aso asp ass ast at- ata atb atc ati atl ato atp ats att b-p baa bab bac bai bak bal bao bap bas bat bba bbb bbc bbi bbk bbl bbo bbp bbs bbt bca bcb bcc bci bck bcl bco bcp bcs bct bi- bia bib bic bii bik bil bio bip bis bit bka bkb bkc bkk bkl bko bkp bks bkt bla blb blc bli blk bll blo blp bls blt boa bob boc boi bok bol boo bop bos bot bpa bpb bpc bpi bpl bpo bpp bps bpt bsa bsb bsc bsi bsk bsl bso bsp bss bst bta btb btc bti btk btl bto btp bts btt c-- caa cab cac cai cak cal cao cap cas cat cba cbb cbc cbi cbk cbl cbo cbp cbs cbt cca ccb ccc cci cck ccl cco ccp ccs cct ci- cia cib cic cii cik cil cio cip cis cit cka ckb ckc cki cko cks ckt cl- cla clb clc cli clk cll clo clp cls clt co- coa cob coc coi cok col coo cop cos cot cpa cpb cpc cpi cpk cpl cpo cpp cps cpt csa csb csc csi csk csl cso csp css cst cta ctb ctc cti ctk ctl cto ctp cts ctt ia- iaa iab iac iai ial iao iap ias iat iba ibb ibc ibi ibk ibl ibo ibp ibs ibt ica icb icc ici ick icl ico icp ics ict iia iib iic iii iil iio iip iis iit ika ikb ikc iki ikk ikl iko iks ikt il- ila ilb ilc ili ilk ill ilo ilp ils ilt io- ioa iob ioc ioi iol ioo iop ios iot ipa ipb ipc ipi ipl ipo ipp ips ipt is- isa isb isc isi isk isl iso isp iss ist ita itb itc iti itk itl ito itp its itt k-t ka- kaa kab kac kai kak kal kao kap kas kat kba kbb kbc kbi kbk kbl kbo kbp kbs kca kcb kcc kci kck kcl kcp kcs kct kia kib kic kii kik kil kio kip kis kit kkb kkc kki kkk kkl kkp kks kkt kl- kla klb klc kli klo kls klt koa kob koc koi kok kol koo kop kos kot kpa kpc kpi kpk kpl kpo kpp kps kpt ksa ksb ksc ksi ksk ksl kso ksp kss kst kta ktb ktc ktk ktl kto ktp kts ktt l-p la- laa lab lac lai lak lal lao lap las lat lba lbb lbc lbi lbk lbl lbo lbp lbs lbt lca lcb lcc lci lck lcl lco lcp lcs lct lia lib lic lii lik lil lio lip lis lit lka lkb lkl lkp lks lkt lla llb llc lli llk lll llo llp lls llt loa lob loc loi lok lol loo lop los lot lpa lpb lpc lpi lpk lpl lpo lpp lps lpt lsa lsb lsc lsi lsk lsl lso lsp lss lst lta ltb ltc lti ltk ltl lto ltp lts ltt o-i oaa oab oac oai oak oal oao oap oas oat ob- oba obb obc obi obk obl obo obp obs obt oc- oca ocb occ oci ock ocl oco ocp ocs oct oia oib oic oii oik oil oio oip ois oit oka okb okc oki okk okl oko okp oks ola olb olc oli olk oll olo olp ols olt oo- ooa oob ooc ooi ook ool ooo oop oos oot op- opa opb opc opi opk opl opo opp ops opt os- osa osb osc osi osk osl oso osp oss ost ot- ota otb otc oti otk otl oto otp ots ott p-p paa pab pac pai pak pal pao pap pas pat pba pbb pbc pbi pbk pbl pbo pbp pbs pbt pca pcb pcc pci pck pcl pco pcp pcs pct pia pib pic pii pik pil pio pip pis pit pka pkb pkc pki pkl pko pkp pks pkt pla plb plc pli plk pll plo plp pls plt poa pob poc poi pok pol poo pop pos pot ppa ppb ppc ppi ppk ppl ppo ppp pps ppt ps- psa psb psc psi psk psl pso psp pss pst pt- pta ptb ptc pti ptk ptl pto ptp pts ptt saa sab sac sai sak sal sao sap sas sat sba sbb sbc sbi sbk sbl sbo sbp sbs sbt sca scb scc sci sck scl sco scp scs sct sia sib sic sii sik sil sio sip sis sit sk- ska skb skc ski skk skl sko skp sks skt sla slb slc sli slk sll slo slp sls slt soa sob soc soi sok sol soo sop sos sot spa spb spc spi spk spl spo spp sps spt ss- ssa ssb ssc ssi ssk ssl sso ssp sss sst sta stb stc sti stk stl sto stp sts stt taa tab tac tai tak tal tao tap tas tat tba tbb tbc tbi tbk tbl tbo tbp tbs tbt tca tcb tcc tci tck tcl tco tcp tcs tct tia tib tic tii tik til tio tip tis tit tka tkb tkc tkk tkl tko tkp tks tkt tla tlc tli tlk tll tlo tlp tls tlt to- toa tob toc toi tok tol too top tos tot tpa tpb tpc tpi tpk tpl tpo tpp tps tpt tsa tsb tsc tsi tsk tsl