-al -ol a-a a-b a-i aaa aab aaf aai aal aan aao aas aau ab- aba abb abf abi abl abn abo abs abu af- afa afb aff afi afl afn afo afs afu ai- aia aib aif aii ail ain aio ais aiu al- ala alb alf ali all aln alo als alu an- ana anb anf ani anl ann ano ans anu aoa aob aof aoi aol aon aoo aos aou as- asa asb asf asi asl asn aso ass asu au- aua aub auf aui aul aun auo aus b-u baa bab baf bai bal ban bao bas bau bba bbb bbf bbi bbl bbn bbo bbs bbu bfa bfb bff bfi bfl bfn bfo bfs bfu bi- bia bib bif bii bil bin bio bis biu bla blb blf bli bll bln blo bls blu bna bnb bnf bni bnl bnn bno bns bnu boa bob bof boi bol bon boo bos bou bsa bsb bsf bsi bsl bsn bso bss bsu bua bub buf bui bul bun buo bus buu faa fab faf fai fal fan fao fas fau fba fbb fbf fbi fbl fbn fbo fbs fbu ffa fff ffi ffl ffn ffo ffs ffu fia fib fif fii fil fin fis fiu fla flb flf fli fll fln flo fls flu fna fnb fnf fni fnl fnn fns fnu foa fob fof foi fol fon foo fos fou fsa fsb fsf fsi fsl fsn fso fss fsu fua fub fuf fui ful fun fuo fus fuu i-f ia- iaa iab iaf iai ial ian iao ias iau iba ibb ibf ibi ibl ibn ibo ibs ibu ifa ifb iff ifi ifl ifn ifo ifs ifu iia iib iif iii iil iin iio iis iiu il- ila ilb ilf ili ill iln ilo ils ilu in- ina inb inf ini inl inn ino ins inu io- ioa iob iof ioi iol ion ioo ios iou is- isa isb isf isi isl isn iso iss isu iu- iua iub iui ius la- laa lab laf lai lal lan lao las lau lba lbb lbf lbi lbl lbo lbs lbu lfa lfb lff lfi lfl lfn lfo lfs lfu lia lib lif lii lil lin lio lis liu lla llb llf lli lll lln llo lls llu lna lnb lni lnl lnn lno lns lnu loa lob lof loi lol lon loo los lou lsa lsb lsf lsi lsl lsn lso lss lsu lua lub luf lui lul lun luo lus luu n-i naa nab naf nai nal nan nao nas nau nba nbb nbf nbi nbl nbn nbo nbs nbu nfa nfb nff nfi nfl nfn nfo nfs nfu nia nib nif nii nil nin nio nis niu nla nlb nlf nli nll nln nlo nls nlu nna nnb nnf nni nnl nnn nno nns nnu no- noa nob nof noi nol non noo nos nou nsa nsb nsf nsi nsl nsn nso nss nsu nua nub nui nul nun nuo nus nuu o-i oaa oab oaf oai oal oan oao oas oau ob- oba obb obf obi obl obn obo obs obu of- ofa ofb off ofi ofl ofn ofo ofs ofu oia oib oif oii oil oin oio ois oiu ola olb olf oli oll oln olo ols olu on- ona onb onf oni onl onn ono ons onu oo- ooa oob oof ooi ool oon ooo oos os- osa osb osf osi osl osn oso oss osu ou- oua ouf oui oul oun ouo ous saa sab saf sai sal san sao sas sau sba sbb sbf sbi sbl sbn sbo sbs sbu sfa sfb sff sfi sfl sfn sfo sfs sfu sia sib sif sii sil sin sio sis siu sla slb slf sli sll sln slo sls slu sna snb snf sni snl snn sno sns snu soa sob sof soi sol son soo sos sou ss- ssa ssb ssf ssi ssl ssn sso sss ssu sua sub suf sui sul sun suo sus suu ua- uaa uab uaf uai ual uan uao uas uau uba ubb ubf ubi ubl ubn ubo ubs ubu ufa uff ufi ufl ufn ufo ufs ufu uia uib uif uii uil uin uio uis uiu ula ulb ulf uli ull uln ulo uls ulu un- una unb unf uni unl unn uno uns unu uoa uob uol uon uoo uos usa usb usf usi usl usn uso uss usu uua uun uus uuu