-ic a-a a-b a-c a-i aaa aab aac aah aai aan aao aap aay ab- aba abb abc abh abi abn abo abp aby ac- aca acb acc ach aci acn aco acp acy aha ahb ahc ahh ahi ahn aho ahp ahy ai- aia aib aic aih aii ain aio aip aiy an- ana anb anc anh ani ann ano anp any aoa aob aoc aoh aoi aon aoo aop ap- apa apb apc aph api apn apo app apy ay- aya ayc ayh ayi ayn ayo ayp b-p baa bab bac bah bai ban bao bap bay bba bbb bbc bbh bbi bbn bbo bbp bby bca bcb bcc bch bci bcn bco bcp bcy bha bhb bhc bhh bhi bho bhp bi- bia bib bic bih bii bin bio bip biy bna bnb bnc bni bnn bno bnp boa bob boc boh boi bon boo bop boy bpa bpb bpc bph bpi bpn bpo bpp bpy by- bya byc byh byi byn byo byp c-- caa cab cac cah cai can cao cap cay cba cbb cbc cbh cbi cbn cbo cbp cby cca ccb ccc cch cci ccn cco ccp ch- cha chb chc chh chi chn cho chp chy ci- cia cib cic cih cii cin cio cip cn- cna cnb cnc cnh cni cnn cno cnp cny co- coa cob coc coh coi con coo cop coy cpa cpb cpc cph cpi cpn cpo cpp cya cyb cyc cyn cyo cyp h-i haa hab hac hah hai han hao hap hay hba hbb hbc hbh hbi hbn hbo hbp hby hca hcb hcc hch hci hcn hco hcp hcy hha hhb hhc hhh hhi hhn hho hhp hhy hia hib hic hih hii hin hio hip hna hnb hnc hnh hnn hno hny hoa hob hoc hoh hoi hon hoo hop hoy hpa hpb hpc hph hpi hpn hpo hpp hpy hy- hya hyb hyc hyh hyi hyn hyo hyp hyy ia- iaa iab iac iah iai ian iao iap iba ibb ibc ibh ibi ibn ibo ibp iby ica icb icc ich ici icn ico icp icy iha ihb ihc ihh ihi ihn iho ihp ihy iia iib iic iih iii iin iio iip in- ina inb inc inh ini inn ino inp iny io- ioa iob ioc ioh ioi ion ioo iop ipa ipb ipc ipi ipn ipo ipp ipy iya iyc iyo iyy n-i naa nab nac nah nai nan nao nap nay nba nbb nbc nbi nbn nbo nbp nca ncb ncc nch nci ncn nco ncp nha nhb nhc nhh nhi nhn nhp nhy nia nib nic nih nii nin nio nip nna nnb nnc nnh nni nnn nno nnp no- noa nob noc noh noi non noo nop noy npa npb npc nph npi npn npo npp nya nyc nyn nyo nyp nyy o-i oaa oab oac oah oai oan oao oap ob- oba obb obc obh obi obn obo obp oby oc- oca ocb occ och oci ocn oco ocp oha ohc ohh ohi ohn oho ohp oia oib oic oii oin oio oip on- ona onb onc onh oni onn ono onp ony oo- ooa oob ooc ooh ooi oon ooo oop op- opa opb opc oph opi opn opo opp opy oya oyi oyo p-p paa pab pac pah pai pan pao pap pay pba pbb pbc pbi pbn pbo pbp pby pca pcb pcc pch pci pcn pco pcp pha phb phc phi phn pho php phy pia pib pic pih pii pin pio pip pn- pna pnb pnc pnh pni pnn pno pnp pny poa pob poc poh poi pon poo pop poy ppa ppb ppc pph ppi ppn ppo ppp py- pya pyb pyc pyn pyo yaa yab yac yah yai yan yao yap yay ybc ybi ybp yby yca ycc ych yci yco ycp ycy yha yhc yhi yih yii yin yio yip yna ynn ynp yny yob yoc yoi yon yoo yop yoy ypa ypo yyb yyc yyy