-al -ol a-a a-b a-c aaa aab aac aaf aal aam aan aao aar aau ab- aba abb abc abf abl abm abn abo abr abu ac- aca acb acc acf acl acm acn aco acr acu af- afa afb afc aff afl afm afn afo afr afu al- ala alb alc alf all alm aln alo alr alu ama amb amc amf aml amm amn amo amr amu an- ana anb anc anf anl anm ann ano anr anu aoa aob aoc aof aol aom aon aoo aor aou ar- ara arb arc arf arl arm arn aro arr aru au- aua aub auc auf aul aum aun auo aur b-u baa bab bac baf bal bam ban bao bar bau bba bbb bbc bbf bbl bbm bbn bbo bbr bbu bca bcb bcc bcf bcl bcm bcn bco bcr bcu bfa bfb bfc bff bfl bfm bfn bfo bfr bfu bla blb blc blf bll blm bln blo blr blu bma bmb bmc bmf bml bmm bmn bmo bmr bmu bna bnb bnc bnf bnl bnn bno bnr bnu boa bob boc bof bol bom bon boo bor bou bra brb brf brl brm brn bro brr bru bua bub buc buf bul bum bun buo bur buu c-- caa cab cac caf cal cam can cao car cau cba cbb cbc cbf cbl cbm cbn cbo cbr cbu cca ccb ccc ccf ccl ccm ccn cco ccr ccu cfa cfb cfc cff cfl cfm cfn cfo cfr cfu cl- cla clb clc clf cll clm cln clo clr clu cma cmb cmc cmf cml cmm cmn cmo cmr cmu cn- cna cnb cnc cnf cnl cnm cnn cno cnr cnu co- coa cob coc cof col com con coo cor cou cra crb crc crf crl crm crn cro crr cru cua cub cuc cuf cul cum cun cuo cur cuu faa fab fac faf fal fam fan fao far fau fba fbb fbc fbf fbl fbm fbn fbo fbr fbu fca fcb fcc fcf fcl fcm fcn fco fcr fcu ffa ffc fff ffl ffm ffn ffo ffr ffu fla flb flc flf fll flm fln flo flr flu fma fmb fmc fmf fml fmm fmn fmo fmr fmu fna fnb fnc fnf fnl fnm fnn fnr fnu foa fob foc fof fol fom fon foo for fou fra frb frc frf frl frm frn fro frr fru fua fub fuf ful fum fun fuo fur fuu la- laa lab lac laf lal lam lan lao lar lau lba lbb lbc lbf lbl lbm lbo lbr lbu lca lcb lcc lcf lcl lcm lcn lco lcr lcu lfa lfb lfc lff lfl lfm lfn lfo lfr lfu lla llb llc llf lll llm lln llo llr llu lma lmb lmc lmf lml lmm lmn lmo lmr lmu lna lnb lnc lnl lnm lnn lno lnr lnu loa lob loc lof lol lom lon loo lor lou lra lrb lrc lrf lrm lrn lro lrr lru lua lub luc luf lul lum lun luo lur luu m-f m-o m-r maa mab mac maf mal mam man mao mar mau mba mbb mbc mbf mbl mbm mbo mbr mbu mc- mca mcb mcc mcf mcl mcm mcn mco mcr mcu mfa mfb mfc mff mfl mfm mfn mfo mfr mfu mla mlb mlc mlf mll mlm mln mlo mlr mlu mma mmb mmc mmf mml mmm mmn mmo mmr mmu mna mnb mnc mnf mnl mnm mnn mno mnr mnu moa mob moc mof mol mom mon moo mor mou mra mrb mrc mrf mrl mrm mrn mro mrr mru mua mub muc muf mul mum mun mur muu naa nab nac naf nal nam nan nao nar nau nba nbb nbc nbf nbl nbm nbn nbo nbr nbu nca ncb ncc ncf ncl ncm ncn nco ncr ncu nfa nfb nfc nff nfl nfn nfo nfr nfu nla nlb nlc nlf nll nlm nln nlo nlr nlu nma nmb nmc nml nmm nmn nmo nmr nmu nna nnb nnc nnf nnl nnm nnn nno nnu no- noa nob noc nof nol nom non noo nor nou nra nrb nrc nrf nrl nrm nrn nro nrr nru nua nub nuc nul num nun nuo nur nuu oaa oab oac oaf oal oam oan oao oar oau ob- oba obb obc obf obl obm obn obo obr obu oc- oca ocb occ ocf ocl ocm ocn oco ocr ocu of- ofa ofb ofc off ofl ofm ofn ofo ofr ofu ola olb olc olf oll olm oln olo olu om- oma omb omc omf oml omm omn omo omr omu on- ona onb onc onf onl onn ono onr onu oo- ooa oob ooc oof ool oom oon ooo oor or- ora orb orc orf orl orm orn oro orr oru ou- oua ouc ouf oul oum oun ouo our ra- raa rab rac raf ral ram ran rao rar rau rba rbb rbc rbf rbl rbm rbn rbo rbr rbu rca rcb rcc rcf rcl rcm rcn rco rcr rcu rfa rfb rfc rff rfl rfm rfn rfo rfr rfu rla rlc rlf rll rlm rln rlo rlr rlu rma rmb rmc rmf rml rmm rmn rmo rmr rna rnb rnc rnm rnn rno rnr rnu roa rob roc rof rol rom ron roo ror rou rra rrb rrc rrf rrl rrm rrn rrr rru rua rub ruc ruf rum run ruo rur ruu ua- uaa uab uac uaf ual uam uan uao uar uau uba ubb ubc ubf ubl ubn ubo ubr ubu uca ucb ucc ucf ucl ucm ucn uco ucr ucu ufa ufc uff ufl ufm ufn ufo ufr ufu ula ulb ulc ulf ull ulm uln ulo ulr ulu um- uma umb umc umf uml umm umn umo umr umu un- una unb unc unf unl unm unn uno unr unu uoa uob uoc uol uom uon uoo uor ur- ura urb urc urf url urm urn uro urr uru uua uuc uum uun