-ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aas aav ab- aba abb abc abe abg abi abk abs abv ac- aca acb acc ace acg aci ack acs acv aea aeb aec aee aeg aei aek aes aev ag- aga agb agc age agg agi agk ags agv ai- aia aib aic aie aig aii aik ais aiv aka akb akc ake akg aki akk aks akv as- asa asb asc ase asg asi ask ass asv av- ava avb avc ave avg avi avk avs baa bab bac bae bag bai bak bas bav bba bbb bbc bbe bbg bbi bbk bbs bca bcb bcc bce bcg bci bck bcs bcv be- bea beb bec bee beg bei bek bes bev bga bgb bgc bge bgg bgi bgk bgs bgv bi- bia bib bic bie big bii bik bis biv bka bkb bkc bke bkg bkk bks bkv bsa bsb bsc bse bsg bsi bsk bss bsv bva bvb bvc bve bvg bvi bvk bvs bvv c-- caa cab cac cae cag cai cak cas cav cba cbb cbc cbe cbg cbi cbk cbs cbv cca ccb ccc cce ccg cci cck ccs ccv ce- cea ceb cec cee ceg cei cek ces cev cga cgb cgc cge cgg cgi cgs cgv ci- cia cib cic cie cig cii cik cis civ cka ckb ckc cki cks csa csb csc cse csg csi csk css csv cva cvb cvc cve cvg cvi cvk cvs cvv eaa eab eac eae eag eai eak eas eav eba ebb ebc ebe ebg ebi ebk ebs ebv ec- eca ecb ecc ece ecg eci eck ecs ecv eea eeb eec eee eeg eek ees eev ega egb egc ege egg egi egs eia eib eic eie eig eii eik eis eiv eka ekb ekc eke ekg eki eks ekv es- esa esb esc ese esg esi esk ess esv eva evb evc eve evg evi evs evv gaa gab gac gae gag gai gak gas gav gba gbc gbe gbg gbi gbk gbs gbv gca gcb gcc gce gcg gci gck gcs ge- gea geb gec gee geg gei gek ges gev gga ggb ggc ggg ggi ggs ggv gia gib gic gie gig gii gik gis giv gka gkb gks gsa gsb gsc gse gsg gsi gsk gss gsv gva gvb gvc gve gvg gvi gvk gvs i-v ia- iaa iab iac iae iag iai ias iav iba ibb ibc ibe ibg ibi ibk ibs ibv ica icb icc ice icg ici ick ics icv ie- iea iec iee ieg iei iek ies iev iga igb igc ige igg igi igk igs iia iib iic iie iii iis ika ikb ikc ike iki ikk iks ikv is- isa isb isc ise isg isi isk iss isv iva ivb ivc ive ivg ivi ivs ivv ka- kaa kab kac kae kag kai kak kas kav kba kbb kbc kbe kbi kbk kbs kca kcb kcc kce kcg kci kck kcs ke- kea keb kec kee keg kei kek kes kev kga kgb kgc kgi kgs kgv kia kib kic kie kig kii kik kis kiv kkb kkc kke kki kkk kks kkv ksa ksb ksc kse ksg ksi ksk kss ksv kva kvb kvi kvk kvs kvv saa sab sac sae sag sai sak sas sav sba sbb sbc sbe sbg sbi sbk sbs sbv sca scb scc sce scg sci sck scs scv se- sea seb sec see seg sei sek ses sev sga sgb sgc sge sgg sgi sgk sgs sgv sia sib sic sie sig sii sik sis siv sk- ska skb skc ske skg ski skk sks ss- ssa ssb ssc sse ssg ssi ssk sss ssv sva svb svc sve svg svi svk svs svv v-a v-e vaa vab vac vae vag vai vak vas vav vba vbc vbg vbi vbk vbs vbv vca vcc vce vci vcs vea veb vec vee veg vei vek ves vga vgc vgg vgs vi- via vib vic vie vig vii vik vis viv vka vkb vkg vsa vsb vsc vse vsg vsi vsk vss vsv vva vvb vvc vvg vvi vvs vvv