-al -ol -th -up a-a a-b a-c a-t aaa aab aac aae aaf aah aal aao aap aat aau ab- aba abb abc abe abf abh abl abo abp abt abu ac- aca acb acc ace acf ach acl aco acp act acu aea aeb aec aee aef aeh ael aeo aep aet aeu af- afa afb afc afe aff afh afl afo afp aft afu aha ahb ahc ahe ahf ahh ahl aho ahp aht ahu al- ala alb alc ale alf alh all alo alp alt alu aoa aob aoc aoe aof aoh aol aoo aop aot aou ap- apa apb apc ape apf aph apl apo app apt apu at- ata atb atc ate atf ath atl ato atp att atu au- aua aub auc aue auf auh aul auo aup aut b-p b-u baa bab bac bae baf bah bal bao bap bat bau bba bbb bbc bbe bbf bbh bbl bbo bbp bbt bbu bca bcb bcc bce bcf bch bcl bco bcp bct bcu be- bea beb bec bee bef beh bel beo bep bet beu bfa bfb bfc bfe bff bfh bfl bfo bfp bft bfu bha bhb bhc bhe bhf bhh bhl bho bhp bht bhu bla blb blc ble blf blh bll blo blp blt blu boa bob boc boe bof boh bol boo bop bot bou bpa bpb bpc bpe bpf bph bpl bpo bpp bpt bpu bta btb btc bte btf bth btl bto btp btt btu bua bub buc bue buf buh bul buo bup but buu c-- caa cab cac cae caf cah cal cao cap cat cau cba cbb cbc cbe cbf cbh cbl cbo cbp cbt cbu cca ccb ccc cce ccf cch ccl cco ccp cct ccu ce- cea ceb cec cee cef ceh cel ceo cep cet ceu cfa cfb cfc cfe cff cfh cfl cfo cfp cft cfu ch- cha chb chc che chf chh chl cho chp cht chu cl- cla clb clc cle clf clh cll clo clp clt clu co- coa cob coc coe cof coh col coo cop cot cou cpa cpb cpc cpe cpf cph cpl cpo cpp cpt cpu cta ctb ctc cte ctf cth ctl cto ctp ctt ctu cua cub cuc cue cuf cuh cul cuo cup cut cuu eaa eab eac eae eaf eah eal eao eap eat eau eba ebb ebc ebe ebf ebh ebl ebo ebp ebt ebu ec- eca ecb ecc ece ecf ech ecl eco ect ecu eea eeb eec eee eef eel eeo eep eet ef- efa efb efc efe eff efh efl efo efp eft eha ehb ehc ehe ehf ehh ehl eho ehp eht ehu ela elb elc ele elf elh ell elo elp elt elu eo- eoa eob eoc eoe eof eoh eol eoo eop eot eou ep- epa epb epc epe epf eph epl epo epp ept epu eta etb etc ete etf eth etl eto etp ett etu eu- eua eub euc eue euf eul eup eut faa fab fac fae faf fah fal fao fap fat fau fba fbb fbc fbe fbf fbh fbl fbo fbp fbt fbu fca fcb fcc fce fcf fcl fco fcp fct fcu fea feb fec fee fef feh fel feo fep fet feu ffa ffc ffe fff ffh ffl ffo ffp fft ffu fha fhb fhc fhe fhf fhh fhl fho fhp fla flb flc fle flf fll flo flp flt flu foa fob foc foe fof foh fol foo fop fot fou fpa fpb fpc fpe fph fpl fpo fpp fpt fpu fta ftb ftc fte ftf fth ftl fto ftp ftt ftu fua fub fue fuf ful fuo fup fut fuu haa hab hac hae haf hah hal hao hap hat hau hba hbb hbc hbe hbf hbh hbl hbo hbp hbt hbu hca hcb hcc hce hcf hch hcl hco hcp hct he- hea heb hec hee hef heh hel heo hep het heu hfa hfb hfc hfe hff hfh hfl hfo hfp hft hfu hha hhb hhc hhe hhf hhh hhl hho hhp hht hhu hla hlb hlc hle hlf hlh hll hlo hlp hlt hlu hoa hob hoc hoe hof hoh hol hoo hop hot hou hpa hpb hpc hpe hpf hph hpl hpo hpp hpt hpu hta htb htc hte htf hth htl hto htp htt hua hub huc hue huf huh hul huo hup hut huu l-p la- laa lab lac lae laf lah lal lao lap lat lau lba lbb lbc lbe lbf lbh lbl lbo lbp lbt lbu lca lcb lcc lce lcf lch lcl lco lcp lct lcu lea leb lec lee lef leh lel leo lep let leu lfa lfb lfc lfe lff lfh lfl lfo lfp lft lfu lha lhb lhc lhf lhh lho lhp lht lhu lla llb llc lle llf lll llo llp llt llu loa lob loc loe lof loh lol loo lop lot lou lpa lpb lpc lpe lpf lph lpl lpo lpp lpt lpu lta ltb ltc lte ltf lth ltl lto ltp ltt ltu lua lub luc lue luf luh lul luo lup lut luu oaa oab oac oae oaf oah oal oao oap oat oau ob- oba obb obc obe obf obh obl obo obp obt obu oc- oca ocb occ ocf och ocl oco ocp oct ocu oea oeb oec oee oef oeh oel oeo oep oet of- ofa ofb ofc ofe off ofl ofo ofp oft ofu oha ohc ohe ohf ohh ohl oho ohp oht ohu ola olb olc ole olf oll olo olp olt olu oo- ooa oob ooc oof ooh ool ooo oop oot op- opa opb opc ope opf oph opl opo opp opt ot- ota otb otc ote otf oth otl oto otp ott otu ou- oua ouc oue ouf ouh oul ouo oup out p-p paa pab pac pae paf pah pal pao pap pat pau pba pbb pbc pbe pbf pbl pbo pbp pbt pbu pca pcb pcc