-ic a-a a-b a-c a-i aaa aab aac aah aai aan aao aar aay ab- aba abb abc abh abi abn abo abr aby ac- aca acb acc ach aci acn aco acr acy aha ahb ahc ahh ahi ahn aho ahr ahy ai- aia aib aic aih aii ain aio air aiy an- ana anb anc anh ani ann ano anr any aoa aob aoc aoh aoi aon aoo aor ar- ara arb arc arh ari arn aro arr ary ay- aya ayc ayh ayi ayn ayo ayr baa bab bac bah bai ban bao bar bay bba bbb bbc bbh bbi bbn bbo bbr bby bca bcb bcc bch bci bcn bco bcr bcy bha bhb bhc bhh bhi bho bhr bi- bia bib bic bih bii bin bio bir biy bna bnb bnc bni bnn bno bnr boa bob boc boh boi bon boo bor boy bra brb brh bri brn bro brr bry by- bya byc byh byi byn byo byr c-- caa cab cac cah cai can cao car cay cba cbb cbc cbh cbi cbn cbo cbr cby cca ccb ccc cch cci ccn cco ccr ch- cha chb chc chh chi chn cho chr chy ci- cia cib cic cih cii cin cio cir cn- cna cnb cnc cnh cni cnn cno cnr cny co- coa cob coc coh coi con coo cor coy cra crb crc crh cri crn cro crr cry cya cyb cyc cyn cyo cyr h-i haa hab hac hah hai han hao har hay hba hbb hbc hbh hbi hbn hbo hbr hby hca hcb hcc hch hci hcn hco hcr hcy hha hhb hhc hhh hhi hhn hho hhr hhy hia hib hic hih hii hin hio hir hna hnb hnc hnh hnn hno hny hoa hob hoc hoh hoi hon hoo hor hoy hr- hra hrb hrc hrh hri hrn hro hrr hy- hya hyb hyc hyh hyi hyn hyo hyr hyy ia- iaa iab iac iah iai ian iao iar iba ibb ibc ibh ibi ibn ibo ibr iby ica icb icc ich ici icn ico icr icy iha ihb ihc ihh ihi ihn iho ihr ihy iia iib iic iih iii iin iio iir in- ina inb inc inh ini inn ino inr iny io- ioa iob ioc ioh ioi ion ioo ior ir- ira irb irc iri irn iro irr iry iya iyc iyo iyr iyy n-i naa nab nac nah nai nan nao nar nay nba nbb nbc nbi nbn nbo nbr nca ncb ncc nch nci ncn nco ncr nha nhb nhc nhh nhi nhn nhr nhy nia nib nic nih nii nin nio nir nna nnb nnc nnh nni nnn nno no- noa nob noc noh noi non noo nor noy nra nrb nrc nri nrn nro nrr nry nya nyc nyn nyo nyy o-i oaa oab oac oah oai oan oao oar ob- oba obb obc obh obi obn obo obr oby oc- oca ocb occ och oci ocn oco ocr oha ohc ohh ohi ohn oho ohr oia oib oic oii oin oio oir on- ona onb onc onh oni onn ono onr ony oo- ooa oob ooc ooh ooi oon ooo oor or- ora orb orc orh ori orn oro orr ory oya oyi oyo ra- raa rab rac rah rai ran rao rar ray rba rbb rbc rbh rbi rbn rbo rbr rca rcb rcc rch rci rcn rco rcr rh- rha rhb rhc rhh rhi rhn rho rhr ria rib ric rih rii rin rio rir riy rna rnb rnc rnh rni rnn rno rnr rny roa rob roc roh roi ron roo ror roy rra rrb rrc rrh rri rrn rrr ry- rya ryc ryn ryo ryr ryy yaa yab yac yah yai yan yao yar yay ybc ybi ybr yby yca ycc ych yci yco ycy yha yhc yhi yih yii yin yio yir yna ynn yny yob yoc yoi yon yoo yor yoy yra yrc yrn yro yyb yyc yyy