-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aak aal aan aao aap aas ab- aba abb abc abi abk abl abn abo abp abs ac- aca acb acc aci ack acl acn aco acp acs ai- aia aib aic aii aik ail ain aio aip ais aka akb akc aki akk akl akn ako akp aks al- ala alb alc ali alk all aln alo alp als an- ana anb anc ani ank anl ann ano anp ans aoa aob aoc aoi aok aol aon aoo aop aos ap- apa apb apc api apk apl apn apo app aps as- asa asb asc asi ask asl asn aso asp ass b-p baa bab bac bai bak bal ban bao bap bas bba bbb bbc bbi bbk bbl bbn bbo bbp bbs bca bcb bcc bci bck bcl bcn bco bcp bcs bi- bia bib bic bii bik bil bin bio bip bis bka bkb bkc bkk bkl bkn bko bkp bks bla blb blc bli blk bll bln blo blp bls bna bnb bnc bni bnk bnl bnn bno bnp bns boa bob boc boi bok bol bon boo bop bos bpa bpb bpc bpi bpl bpn bpo bpp bps bsa bsb bsc bsi bsk bsl bsn bso bsp bss c-- caa cab cac cai cak cal can cao cap cas cba cbb cbc cbi cbk cbl cbn cbo cbp cbs cca ccb ccc cci cck ccl ccn cco ccp ccs ci- cia cib cic cii cik cil cin cio cip cis cka ckb ckc cki cko cks cl- cla clb clc cli clk cll cln clo clp cls cn- cna cnb cnc cni cnl cnn cno cnp cns co- coa cob coc coi cok col con coo cop cos cpa cpb cpc cpi cpk cpl cpn cpo cpp cps csa csb csc csi csk csl csn cso csp css ia- iaa iab iac iai ial ian iao iap ias iba ibb ibc ibi ibk ibl ibn ibo ibp ibs ica icb icc ici ick icl icn ico icp ics iia iib iic iii iil iin iio iip iis ika ikb ikc iki ikk ikl iko iks il- ila ilb ilc ili ilk ill iln ilo ilp ils in- ina inb inc ini ink inl inn ino inp ins io- ioa iob ioc ioi iol ion ioo iop ios ipa ipb ipc ipi ipl ipn ipo ipp ips is- isa isb isc isi isk isl isn iso isp iss ka- kaa kab kac kai kak kal kan kao kap kas kba kbb kbc kbi kbk kbl kbn kbo kbp kbs kca kcb kcc kci kck kcl kcn kcp kcs kia kib kic kii kik kil kin kio kip kis kkb kkc kki kkk kkl kkn kkp kks kl- kla klb klc kli klo kls kn- kna knc kni knk knl knn kno knp koa kob koc koi kok kol kon koo kop kos kpa kpc kpi kpk kpl kpn kpo kpp kps ksa ksb ksc ksi ksk ksl ksn kso ksp kss l-p la- laa lab lac lai lak lal lan lao lap las lba lbb lbc lbi lbk lbl lbo lbp lbs lca lcb lcc lci lck lcl lcn lco lcp lcs lia lib lic lii lik lil lin lio lip lis lka lkb lkl lkp lks lla llb llc lli llk lll lln llo llp lls lna lnb lnc lni lnk lnl lnn lno lnp lns loa lob loc loi lok lol lon loo lop los lpa lpb lpc lpi lpk lpl lpn lpo lpp lps lsa lsb lsc lsi lsk lsl lsn lso lsp lss n-i naa nab nac nai nak nal nan nao nap nas nba nbb nbc nbi nbk nbl nbn nbo nbp nbs nca ncb ncc nci nck ncl ncn nco ncp ncs nia nib nic nii nik nil nin nio nip nis nka nkc nki nkk nkn nko nkp nks nla nlb nlc nli nlk nll nln nlo nlp nls nna nnb nnc nni nnk nnl nnn nno nnp nns no- noa nob noc noi nok nol non noo nop nos npa npb npc npi npl npn npo npp nps nsa nsb nsc nsi nsk nsl nsn nso nsp nss o-i oaa oab oac oai oak oal oan oao oap oas ob- oba obb obc obi obk obl obn obo obp obs oc- oca ocb occ oci ock ocl ocn oco ocp ocs oia oib oic oii oik oil oin oio oip ois oka okb okc oki okk okl oko okp oks ola olb olc oli olk oll oln olo olp ols on- ona onb onc oni onk onl onn ono onp ons oo- ooa oob ooc ooi ook ool oon ooo oop oos op- opa opb opc opi opk opl opn opo opp ops os- osa osb osc osi osk osl osn oso osp oss p-p paa pab pac pai pak pal pan pao pap pas pba pbb pbc pbi pbk pbl pbn pbo pbp pbs pca pcb pcc pci pck pcl pcn pco pcp pcs pia pib pic pii pik pil pin pio pip pis pka pkb pkc pki pkl pkn pko pkp pks pla plb plc pli plk pll pln plo plp pls pn- pna pnb pnc pni pnk pnl pnn pno pnp pns poa pob poc poi pok pol pon poo pop pos ppa ppb ppc ppi ppk ppl ppn ppo ppp pps ps- psa psb psc psi psk psl psn pso psp pss saa sab sac sai sak sal san sao sap sas sba sbb sbc sbi sbk sbl sbn sbo sbp sbs sca scb scc sci sck scl scn sco scp scs sia sib sic sii sik sil sin sio sip sis sk- ska skb skc ski skk skl sko skp sks sla slb slc sli slk sll sln slo slp sls sna snb snc sni snk snl snn sno snp sns soa sob soc soi sok sol son soo sop sos spa spb spc spi spk spl spn spo spp sps ss-