-al -ol a-a a-b a-c aaa aab aac aag aah aal aan aao aar aau ab- aba abb abc abg abh abl abn abo abr abu ac- aca acb acc acg ach acl acn aco acr acu ag- aga agb agc agg agh agl agn ago agr agu aha ahb ahc ahg ahh ahl ahn aho ahr ahu al- ala alb alc alg alh all aln alo alr alu an- ana anb anc ang anh anl ann ano anr anu aoa aob aoc aog aoh aol aon aoo aor aou ar- ara arb arc arg arh arl arn aro arr aru au- aua aub auc aug auh aul aun auo aur b-u baa bab bac bag bah bal ban bao bar bau bba bbb bbc bbg bbh bbl bbn bbo bbr bbu bca bcb bcc bcg bch bcl bcn bco bcr bcu bga bgb bgc bgg bgh bgl bgn bgo bgr bgu bha bhb bhc bhg bhh bhl bho bhr bhu bla blb blc blg blh bll bln blo blr blu bna bnb bnc bng bnl bnn bno bnr bnu boa bob boc bog boh bol bon boo bor bou bra brb brg brh brl brn bro brr bru bua bub buc bug buh bul bun buo bur buu c-- caa cab cac cag cah cal can cao car cau cba cbb cbc cbg cbh cbl cbn cbo cbr cbu cca ccb ccc ccg cch ccl ccn cco ccr ccu cga cgb cgc cgg cgh cgl cgn cgo cgr cgu ch- cha chb chc chg chh chl chn cho chr chu cl- cla clb clc clg clh cll cln clo clr clu cn- cna cnb cnc cng cnh cnl cnn cno cnr cnu co- coa cob coc cog coh col con coo cor cou cra crb crc crg crh crl crn cro crr cru cua cub cuc cug cuh cul cun cuo cur cuu gaa gab gac gag gah gal gan gao gar gau gba gbc gbg gbh gbl gbn gbo gbr gbu gca gcb gcc gcg gch gcl gcn gco gcr gcu gga ggb ggc ggg ggh ggn ggo ggr ggu gha ghb ghc ghg ghh ghl ghn gho ghr gla glb glc glg glh gll gln glo glr glu gna gnb gnc gnl gnn gno gnr gnu goa gob goc gog goh gol gon goo gor gou gra grb grc grg grh grl grn gro grr gru gu- gua gub guc gug gul gun guo gur guu haa hab hac hag hah hal han hao har hau hba hbb hbc hbg hbh hbl hbn hbo hbr hbu hca hcb hcc hcg hch hcl hcn hco hcr hga hgb hgc hgg hgh hgl hgn hgo hgr hgu hha hhb hhc hhg hhh hhl hhn hho hhr hhu hla hlb hlc hlg hlh hll hln hlo hlr hlu hna hnb hnc hng hnh hnl hnn hno hnu hoa hob hoc hog hoh hol hon hoo hor hou hr- hra hrb hrc hrg hrh hrl hrn hro hrr hru hua hub huc hug huh hul hun huo hur huu la- laa lab lac lag lah lal lan lao lar lau lba lbb lbc lbg lbh lbl lbo lbr lbu lca lcb lcc lcg lch lcl lcn lco lcr lcu lga lgb lgc lgg lgh lgl lgn lgo lgr lgu lha lhb lhc lhh lho lhr lhu lla llb llc llg lll lln llo llr llu lna lnb lnc lng lnh lnl lnn lno lnr lnu loa lob loc log loh lol lon loo lor lou lra lrb lrc lrg lrh lrn lro lrr lru lua lub luc lug luh lul lun luo lur luu naa nab nac nag nah nal nan nao nar nau nba nbb nbc nbg nbl nbn nbo nbr nbu nca ncb ncc ncg nch ncl ncn nco ncr ncu nga ngb ngc ngg ngh ngl ngn ngo ngu nha nhb nhc nhg nhh nhl nhn nhr nhu nla nlb nlc nlg nlh nll nln nlo nlr nlu nna nnb nnc nng nnh nnl nnn nno nnu no- noa nob noc nog noh nol non noo nor nou nra nrb nrc nrg nrl nrn nro nrr nru nua nub nuc nug nuh nul nun nuo nur nuu oaa oab oac oag oah oal oan oao oar oau ob- oba obb obc obg obh obl obn obo obr obu oc- oca ocb occ ocg och ocl ocn oco ocr ocu oga ogc ogg ogh ogl ogn ogo oha ohc ohg ohh ohl ohn oho ohr ohu ola olb olc olg oll oln olo olu on- ona onb onc ong onh onl onn ono onr onu oo- ooa oob ooc oog ooh ool oon ooo oor or- ora orb orc org orh orl orn oro orr oru ou- oua ouc ouh oul oun ouo our ra- raa rab rac rag rah ral ran rao rar rau rba rbb rbc rbg rbh rbl rbn rbo rbr rbu rca rcb rcc rcg rch rcl rcn rco rcr rcu rga rgb rgc rgg rgh rgn rgo rgr rh- rha rhb rhc rhg rhh rhl rhn rho rhr rhu rla rlc rlg rlh rll rln rlo rlr rlu rna rnb rnc rng rnh rnn rno rnr rnu roa rob roc rog roh rol ron roo ror rou rra rrb rrc rrg rrh rrl rrn rrr rru rua rub ruc rug ruh run ruo rur ruu ua- uaa uab uac uag uah ual uan uao uar uau uba ubb ubc ubg ubh ubl ubn ubo ubr ubu uca ucb ucc ucg uch ucl ucn uco ucr ucu uga ugb ugc ugg ugh ugl ugn ugo ugr ugu uha uhb uhc uhh uhl uho uhr uhu ula ulb ulc ulg ull uln ulo ulr ulu un- una unb unc ung unh unl unn uno unr unu uoa uob uoc uog uol uon uoo uor ur- ura urb urc urg url urn uro urr uru uua uuc uug uun uur uuu