-al -ol a-a a-b aaa aab aaf aal aam aao aar aas aau ab- aba abb abf abl abm abo abr abs abu af- afa afb aff afl afm afo afr afs afu al- ala alb alf all alm alo alr als alu ama amb amf aml amm amo amr ams amu aoa aob aof aol aom aoo aor aos aou ar- ara arb arf arl arm aro arr ars aru as- asa asb asf asl asm aso asr ass asu au- aua aub auf aul aum auo aur aus b-u baa bab baf bal bam bao bar bas bau bba bbb bbf bbl bbm bbo bbr bbs bbu bfa bfb bff bfl bfm bfo bfr bfs bfu bla blb blf bll blm blo blr bls blu bma bmb bmf bml bmm bmo bmr bms bmu boa bob bof bol bom boo bor bos bou bra brb brf brl brm bro brr brs bru bsa bsb bsf bsl bsm bso bsr bss bsu bua bub buf bul bum buo bur bus buu faa fab faf fal fam fao far fas fau fba fbb fbf fbl fbm fbo fbr fbs fbu ffa fff ffl ffm ffo ffr ffs ffu fla flb flf fll flm flo flr fls flu fma fmb fmf fml fmm fmo fmr fms fmu foa fob fof fol fom foo for fos fou fra frb frf frl frm fro frr frs fru fsa fsb fsf fsl fsm fso fsr fss fsu fua fub fuf ful fum fuo fur fus fuu la- laa lab laf lal lam lao lar las lau lba lbb lbf lbl lbm lbo lbr lbs lbu lfa lfb lff lfl lfm lfo lfr lfs lfu lla llb llf lll llm llo llr lls llu lma lmb lmf lml lmm lmo lmr lms lmu loa lob lof lol lom loo lor los lou lra lrb lrf lrm lro lrr lrs lru lsa lsb lsf lsl lsm lso lsr lss lsu lua lub luf lul lum luo lur lus luu m-f m-o m-r maa mab maf mal mam mao mar mas mau mba mbb mbf mbl mbm mbo mbr mbs mbu mfa mfb mff mfl mfm mfo mfr mfs mfu mla mlb mlf mll mlm mlo mlr mls mlu mma mmb mmf mml mmm mmo mmr mms mmu moa mob mof mol mom moo mor mos mou mra mrb mrf mrl mrm mro mrr mrs mru msa msb msf msl msm mso msr mss msu mua mub muf mul mum mur mus muu oaa oab oaf oal oam oao oar oas oau ob- oba obb obf obl obm obo obr obs obu of- ofa ofb off ofl ofm ofo ofr ofs ofu ola olb olf oll olm olo ols olu om- oma omb omf oml omm omo omr oms omu oo- ooa oob oof ool oom ooo oor oos or- ora orb orf orl orm oro orr ors oru os- osa osb osf osl osm oso osr oss osu ou- oua ouf oul oum ouo our ous ra- raa rab raf ral ram rao rar ras rau rba rbb rbf rbl rbm rbo rbr rbs rbu rfa rfb rff rfl rfm rfo rfr rfs rfu rla rlf rll rlm rlo rlr rls rlu rma rmb rmf rml rmm rmo rmr rms roa rob rof rol rom roo ror ros rou rra rrb rrf rrl rrm rrr rrs rru rsa rsb rsf rsl rsm rso rsr rss rsu rua rub ruf rum ruo rur rus ruu saa sab saf sal sam sao sar sas sau sba sbb sbf sbl sbm sbo sbr sbs sbu sfa sfb sff sfl sfm sfo sfr sfs sfu sla slb slf sll slm slo slr sls slu sma smb smf sml smm smo smr sms smu soa sob sof sol som soo sor sos sou sr- sra srb srf srl srm sro srr srs ss- ssa ssb ssf ssl ssm sso ssr sss ssu sua sub suf sul sum suo sur sus suu ua- uaa uab uaf ual uam uao uar uas uau uba ubb ubf ubl ubo ubr ubs ubu ufa uff ufl ufm ufo ufr ufs ufu ula ulb ulf ull ulm ulo ulr uls ulu um- uma umb umf uml umm umo umr ums umu uoa uob uol uom uoo uor uos ur- ura urb urf url urm uro urr urs uru usa usb usf usl usm uso usr uss usu uua uum uur uus uuu