-al a-a a-b a-i aaa aab aai aak aal aap ab- aba abb abi abk abl abp ai- aia aib aii aik ail aip aka akb aki akk akl akp al- ala alb ali alk all alp ap- apa apb api apk apl app b-p baa bab bai bak bal bap bba bbb bbi bbk bbl bbp bi- bia bib bii bik bil bip bka bkb bkk bkl bkp bla blb bli blk bll blp bpa bpb bpi bpl bpp ia- iaa iab iai ial iap iba ibb ibi ibk ibl ibp iia iib iii iil iip ika ikb iki ikk ikl il- ila ilb ili ilk ill ilp ipa ipb ipi ipl ipp ka- kaa kab kai kak kal kap kba kbb kbi kbk kbl kbp kia kib kii kik kil kip kkb kki kkk kkl kkp kl- kla klb kli kpa kpi kpk kpl kpp l-p la- laa lab lai lak lal lap lba lbb lbi lbk lbl lbp lia lib lii lik lil lip lka lkb lkl lkp lla llb lli llk lll llp lpa lpb lpi lpk lpl lpp p-p paa pab pai pak pal pap pba pbb pbi pbk pbl pbp pia pib pii pik pil pip pka pkb pki pkl pkp pla plb pli plk pll plp ppa ppb ppi ppk ppl ppp