-ey -up a-a a-b a-c aaa aab aac aae aan aao aap aau aay ab- aba abb abc abe abn abo abp abu aby ac- aca acb acc ace acn aco acp acu acy aea aeb aec aee aen aeo aep aeu aey an- ana anb anc ane ann ano anp anu any aoa aob aoc aoe aon aoo aop aou ap- apa apb apc ape apn apo app apu apy au- aua aub auc aue aun auo aup ay- aya ayc aye ayn ayo ayp ayu b-p b-u baa bab bac bae ban bao bap bau bay bba bbb bbc bbe bbn bbo bbp bbu bby bca bcb bcc bce bcn bco bcp bcu bcy be- bea beb bec bee ben beo bep beu bey bna bnb bnc bne bnn bno bnp bnu boa bob boc boe bon boo bop bou boy bpa bpb bpc bpe bpn bpo bpp bpu bpy bua bub buc bue bun buo bup buu buy by- bya byc bye byn byo byp byu c-- caa cab cac cae can cao cap cau cay cba cbb cbc cbe cbn cbo cbp cbu cby cca ccb ccc cce ccn cco ccp ccu ce- cea ceb cec cee cen ceo cep ceu cey cn- cna cnb cnc cne cnn cno cnp cnu cny co- coa cob coc coe con coo cop cou coy cpa cpb cpc cpe cpn cpo cpp cpu cua cub cuc cue cun cuo cup cuu cuy cya cyb cyc cye cyn cyo cyp eaa eab eac eae ean eao eap eau eba ebb ebc ebe ebn ebo ebp ebu eby ec- eca ecb ecc ece ecn eco ecu eea eeb eec eee een eeo eep eey en- ena enb enc ene enn eno enp enu eny eo- eoa eob eoc eoe eon eoo eop eou ep- epa epb epc epe epn epo epp epu eu- eua eub euc eue eun eup eya eyc eye eyn eyo eyp naa nab nac nae nan nao nap nau nay nba nbb nbc nbe nbn nbo nbp nbu nca ncb ncc nce ncn nco ncp ncu ne- nea neb nec nee nen neo nep neu ney nna nnb nnc nne nnn nno nnp nnu no- noa nob noc noe non noo nop nou noy npa npb npc npe npn npo npp npu nua nub nuc nue nun nuo nup nuu nuy nya nyc nye nyn nyo nyp nyu nyy oaa oab oac oae oan oao oap oau ob- oba obb obc obe obn obo obp obu oby oc- oca ocb occ ocn oco ocp ocu oea oeb oec oee oen oeo oep oey on- ona onb onc one onn ono onp onu ony oo- ooa oob ooc oon ooo oop op- opa opb opc ope opn opo opp opy ou- oua ouc oue oun ouo oup oya oye oyo p-p paa pab pac pae pan pao pap pau pay pba pbb pbc pbe pbn pbo pbp pbu pby pca pcb pcc pce pcn pco pcp pcu pea peb pec pee pen peo pep peu pey pn- pna pnb pnc pne pnn pno pnp pnu pny poa pob poc poe pon poo pop pou poy ppa ppb ppc ppe ppn ppo ppp ppu pua pub puc pue pun pup puu puy py- pya pyb pyc pye pyn pyo pyu ua- uaa uab uac uae uan uao uap uau uay uba ubb ubc ube ubn ubo ubp ubu uby uca ucb ucc uce ucn uco ucp ucu uea ueb uec uee uen uep uey un- una unb unc une unn uno unp unu uny uoa uob uoc uoe uon uoo uop up- upa upb upc upe upn upo upp upu uua uuc uue uun uuu uyc uyo uyu yaa yab yac yae yan yao yap yau yay ybc ybe ybp yby yca ycc yce yco ycp ycu ycy yea yeb yec yee yen yeo yep yey yna yne ynn ynp ynu yny yob yoc yoe yon yoo yop you yoy ypa ypo ypu yua yue yun yuo yup yuu yuy yyb yyc yye yyu yyy