-al -ol a-a a-b a-i aaa aab aai aal aam aan aao aar aas ab- aba abb abi abl abm abn abo abr abs ai- aia aib aii ail aim ain aio air ais al- ala alb ali all alm aln alo alr als ama amb ami aml amm amn amo amr ams an- ana anb ani anl anm ann ano anr ans aoa aob aoi aol aom aon aoo aor aos ar- ara arb ari arl arm arn aro arr ars as- asa asb asi asl asm asn aso asr ass baa bab bai bal bam ban bao bar bas bba bbb bbi bbl bbm bbn bbo bbr bbs bi- bia bib bii bil bim bin bio bir bis bla blb bli bll blm bln blo blr bls bma bmb bmi bml bmm bmn bmo bmr bms bna bnb bni bnl bnn bno bnr bns boa bob boi bol bom bon boo bor bos bra brb bri brl brm brn bro brr brs bsa bsb bsi bsl bsm bsn bso bsr bss ia- iaa iab iai ial iam ian iao iar ias iba ibb ibi ibl ibm ibn ibo ibr ibs iia iib iii iil iim iin iio iir iis il- ila ilb ili ill ilm iln ilo ilr ils im- ima imb imi iml imm imn imo ims in- ina inb ini inl inm inn ino inr ins io- ioa iob ioi iol iom ion ioo ior ios ir- ira irb iri irl irm irn iro irr irs is- isa isb isi isl ism isn iso isr iss la- laa lab lai lal lam lan lao lar las lba lbb lbi lbl lbm lbo lbr lbs lia lib lii lil lim lin lio lir lis lla llb lli lll llm lln llo llr lls lma lmb lmi lml lmm lmn lmo lmr lms lna lnb lni lnl lnm lnn lno lnr lns loa lob loi lol lom lon loo lor los lra lrb lri lrm lrn lro lrr lrs lsa lsb lsi lsl lsm lsn lso lsr lss m-o m-r maa mab mai mal mam man mao mar mas mba mbb mbi mbl mbm mbo mbr mbs mi- mia mib mii mil mim min mio mir mis mla mlb mli mll mlm mln mlo mlr mls mma mmb mmi mml mmm mmn mmo mmr mms mna mnb mni mnl mnm mnn mno mnr mns moa mob moi mol mom mon moo mor mos mra mrb mri mrl mrm mrn mro mrr mrs msa msb msi msl msm msn mso msr mss n-i naa nab nai nal nam nan nao nar nas nba nbb nbi nbl nbm nbn nbo nbr nbs nia nib nii nil nim nin nio nir nis nla nlb nli nll nlm nln nlo nlr nls nma nmb nmi nml nmm nmn nmo nmr nms nna nnb nni nnl nnm nnn nno nns no- noa nob noi nol nom non noo nor nos nra nrb nri nrl nrm nrn nro nrr nrs nsa nsb nsi nsl nsm nsn nso nsr nss o-i oaa oab oai oal oam oan oao oar oas ob- oba obb obi obl obm obn obo obr obs oia oib oii oil oim oin oio oir ois ola olb oli oll olm oln olo ols om- oma omb omi oml omm omn omo omr oms on- ona onb oni onl onn ono onr ons oo- ooa oob ooi ool oom oon ooo oor oos or- ora orb ori orl orm orn oro orr ors os- osa osb osi osl osm osn oso osr oss ra- raa rab rai ral ram ran rao rar ras rba rbb rbi rbl rbm rbn rbo rbr rbs ria rib rii ril rim rin rio rir ris rla rli rll rlm rln rlo rlr rls rma rmb rmi rml rmm rmn rmo rmr rms rna rnb rni rnm rnn rno rnr rns roa rob roi rol rom ron roo ror ros rra rrb rri rrl rrm rrn rrr rrs rsa rsb rsi rsl rsm rsn rso rsr rss saa sab sai sal sam san sao sar sas sba sbb sbi sbl sbm sbn sbo sbr sbs sia sib sii sil sim sin sio sir sis sla slb sli sll slm sln slo slr sls sma smb smi sml smm smn smo smr sms sna snb sni snl snm snn sno snr sns soa sob soi sol som son soo sor sos sr- sra srb sri srl srm srn sro srr srs ss- ssa ssb ssi ssl ssm ssn sso ssr sss