-ic a-a a-b a-c a-i aaa aab aac aag aai aan aao aau aay ab- aba abb abc abg abi abn abo abu aby ac- aca acb acc acg aci acn aco acu acy ag- aga agb agc agg agi agn ago agu agy ai- aia aib aic aig aii ain aio aiu aiy an- ana anb anc ang ani ann ano anu any aoa aob aoc aog aoi aon aoo aou au- aua aub auc aug aui aun auo ay- aya ayc ayi ayn ayo ayu b-u baa bab bac bag bai ban bao bau bay bba bbb bbc bbg bbi bbn bbo bbu bby bca bcb bcc bcg bci bcn bco bcu bcy bga bgb bgc bgg bgi bgn bgo bgu bi- bia bib bic big bii bin bio biu biy bna bnb bnc bng bni bnn bno bnu boa bob boc bog boi bon boo bou boy bua bub buc bug bui bun buo buu buy by- bya byc byg byi byn byo byu c-- caa cab cac cag cai can cao cau cay cba cbb cbc cbg cbi cbn cbo cbu cby cca ccb ccc ccg cci ccn cco ccu cga cgb cgc cgg cgi cgn cgo cgu cgy ci- cia cib cic cig cii cin cio ciu cn- cna cnb cnc cng cni cnn cno cnu cny co- coa cob coc cog coi con coo cou coy cua cub cuc cug cui cun cuo cuu cuy cya cyb cyc cyg cyn cyo gaa gab gac gag gai gan gao gau gay gba gbc gbg gbi gbn gbo gbu gby gca gcb gcc gcg gci gcn gco gcu gga ggb ggc ggg ggi ggn ggo ggu gia gib gic gig gii gin gio giu giy gna gnb gnc gni gnn gno gnu goa gob goc gog goi gon goo gou goy gu- gua gub guc gug gui gun guo guu guy gy- gya gyb gyn gyo ia- iaa iab iac iag iai ian iao iau iba ibb ibc ibg ibi ibn ibo ibu iby ica icb icc icg ici icn ico icu icy iga igb igc igg igi ign igo igu igy iia iib iic iii iin iio iiu in- ina inb inc ing ini inn ino inu iny io- ioa iob ioc iog ioi ion ioo iou iu- iua iub iuc iug iui iya iyc iyo iyy n-i naa nab nac nag nai nan nao nau nay nba nbb nbc nbg nbi nbn nbo nbu nca ncb ncc ncg nci ncn nco ncu nga ngb ngc ngg ngi ngn ngo ngu nia nib nic nig nii nin nio niu nna nnb nnc nng nni nnn nno nnu no- noa nob noc nog noi non noo nou noy nua nub nuc nug nui nun nuo nuu nuy nya nyc nyg nyn nyo nyu nyy o-i oaa oab oac oag oai oan oao oau ob- oba obb obc obg obi obn obo obu oby oc- oca ocb occ ocg oci ocn oco ocu oga ogc ogg ogi ogn ogo ogy oia oib oic oii oin oio oiu on- ona onb onc ong oni onn ono onu ony oo- ooa oob ooc oog ooi oon ooo ou- oua ouc oui oun ouo oya oyi oyo ua- uaa uab uac uag uai uan uao uau uay uba ubb ubc ubg ubi ubn ubo ubu uby uca ucb ucc ucg uci ucn uco ucu uga ugb ugc ugg ugi ugn ugo ugu uia uib uic uig uii uin uio uiu un- una unb unc ung uni unn uno unu uny uoa uob uoc uog uon uoo uua uuc uug uun uuu uyc uyi uyo uyu yaa yab yac yag yai yan yao yau yay ybc ybg ybi yby yca ycc yci yco ycu ycy yga ygc ygo yig yii yin yio yna yng ynn ynu yny yob yoc yog yoi yon yoo you yoy yua yug yui yun yuo yuu yuy yyb yyc yyg yyu yyy