-al a-a a-b a-i aaa aab aai aak aal aap aas ab- aba abb abi abk abl abp abs ai- aia aib aii aik ail aip ais aka akb aki akk akl akp aks al- ala alb ali alk all alp als ap- apa apb api apk apl app aps as- asa asb asi ask asl asp ass b-p baa bab bai bak bal bap bas bba bbb bbi bbk bbl bbp bbs bi- bia bib bii bik bil bip bis bka bkb bkk bkl bkp bks bla blb bli blk bll blp bls bpa bpb bpi bpl bpp bps bsa bsb bsi bsk bsl bsp bss ia- iaa iab iai ial iap ias iba ibb ibi ibk ibl ibp ibs iia iib iii iil iip iis ika ikb iki ikk ikl iks il- ila ilb ili ilk ill ilp ils ipa ipb ipi ipl ipp ips is- isa isb isi isk isl isp iss ka- kaa kab kai kak kal kap kas kba kbb kbi kbk kbl kbp kbs kia kib kii kik kil kip kis kkb kki kkk kkl kkp kks kl- kla klb kli kls kpa kpi kpk kpl kpp kps ksa ksb ksi ksk ksl ksp kss l-p la- laa lab lai lak lal lap las lba lbb lbi lbk lbl lbp lbs lia lib lii lik lil lip lis lka lkb lkl lkp lks lla llb lli llk lll llp lls lpa lpb lpi lpk lpl lpp lps lsa lsb lsi lsk lsl lsp lss p-p paa pab pai pak pal pap pas pba pbb pbi pbk pbl pbp pbs pia pib pii pik pil pip pis pka pkb pki pkl pkp pks pla plb pli plk pll plp pls ppa ppb ppi ppk ppl ppp pps ps- psa psb psi psk psl psp pss saa sab sai sak sal sap sas sba sbb sbi sbk sbl sbp sbs sia sib sii sik sil sip sis sk- ska skb ski skk skl skp sks sla slb sli slk sll slp sls spa spb spi spk spl spp sps ss- ssa ssb ssi ssk ssl ssp sss