-al -ol a-a a-b a-i a-t aaa aab aai aak aal aan aao aas aat ab- aba abb abi abk abl abn abo abs abt ai- aia aib aii aik ail ain aio ais ait aka akb aki akk akl akn ako aks al- ala alb ali alk all aln alo als alt an- ana anb ani ank anl ann ano ans ant aoa aob aoi aok aol aon aoo aos aot as- asa asb asi ask asl asn aso ass ast at- ata atb ati atl atn ato ats att baa bab bai bak bal ban bao bas bat bba bbb bbi bbk bbl bbn bbo bbs bbt bi- bia bib bii bik bil bin bio bis bit bka bkb bkk bkl bkn bko bks bkt bla blb bli blk bll bln blo bls blt bna bnb bni bnk bnl bnn bno bns bnt boa bob boi bok bol bon boo bos bot bsa bsb bsi bsk bsl bsn bso bss bst bta btb bti btk btl btn bto bts btt ia- iaa iab iai ial ian iao ias iat iba ibb ibi ibk ibl ibn ibo ibs ibt iia iib iii iil iin iio iis iit ika ikb iki ikk ikl iko iks ikt il- ila ilb ili ilk ill iln ilo ils ilt in- ina inb ini ink inl inn ino ins int io- ioa iob ioi iol ion ioo ios iot is- isa isb isi isk isl isn iso iss ist ita itb iti itk itl itn ito its itt k-t ka- kaa kab kai kak kal kan kao kas kat kba kbb kbi kbk kbl kbn kbo kbs kia kib kii kik kil kin kio kis kit kkb kki kkk kkl kkn kks kkt kl- kla klb kli klo kls klt kn- kna kni knk knl knn kno knt koa kob koi kok kol kon koo kos kot ksa ksb ksi ksk ksl ksn kso kss kst kta ktb ktk ktl ktn kto kts ktt la- laa lab lai lak lal lan lao las lat lba lbb lbi lbk lbl lbo lbs lbt lia lib lii lik lil lin lio lis lit lka lkb lkl lks lkt lla llb lli llk lll lln llo lls llt lna lnb lni lnk lnl lnn lno lns lnt loa lob loi lok lol lon loo los lot lsa lsb lsi lsk lsl lsn lso lss lst lta ltb lti ltk ltl lto lts ltt n-i naa nab nai nak nal nan nao nas nat nba nbb nbi nbk nbl nbn nbo nbs nbt nia nib nii nik nil nin nio nis nit nka nki nkk nkn nko nks nkt nla nlb nli nlk nll nln nlo nls nlt nna nnb nni nnk nnl nnn nno nns nnt no- noa nob noi nok nol non noo nos not nsa nsb nsi nsk nsl nsn nso nss nst nta ntb nti ntk ntn nto nts ntt o-i oaa oab oai oak oal oan oao oas oat ob- oba obb obi obk obl obn obo obs obt oia oib oii oik oil oin oio ois oit oka okb oki okk okl oko oks ola olb oli olk oll oln olo ols olt on- ona onb oni onk onl onn ono ons ont oo- ooa oob ooi ook ool oon ooo oos oot os- osa osb osi osk osl osn oso oss ost ot- ota otb oti otk otl otn oto ots ott saa sab sai sak sal san sao sas sat sba sbb sbi sbk sbl sbn sbo sbs sbt sia sib sii sik sil sin sio sis sit sk- ska skb ski skk skl sko sks skt sla slb sli slk sll sln slo sls slt sna snb sni snk snl snn sno sns snt soa sob soi sok sol son soo sos sot ss- ssa ssb ssi ssk ssl ssn sso sss sst sta stb sti stk stl stn sto sts stt taa tab tai tak tal tan tao tas tat tba tbb tbi tbk tbl tbn tbo tbs tbt tia tib tii tik til tin tio tis tit tka tkb tkk tkl tko tks tkt tla tli tlk tll tln tlo tls tlt tna tnb tni tnk tnl tnn tno tns tnt to- toa tob toi tok tol ton too tos tot tsa tsb tsi tsk tsl tsn tso tss tst tta ttb tti ttk ttl ttn tto tts ttt