-ic a-a a-b a-c a-i aaa aab aac aaf aag aah aai aao aar aas aau ab- aba abb abc abf abg abh abi abo abr abs abu ac- aca acb acc acf acg ach aci aco acr acs acu af- afa afb afc aff afg afh afi afo afr afs afu ag- aga agb agc agf agg agh agi ago agr ags agu aha ahb ahc ahf ahg ahh ahi aho ahr ahs ahu ai- aia aib aic aif aig aih aii aio air ais aiu aoa aob aoc aof aog aoh aoi aoo aor aos aou ar- ara arb arc arf arg arh ari aro arr ars aru as- asa asb asc asf asg ash asi aso asr ass asu au- aua aub auc auf aug auh aui auo aur aus b-u baa bab bac baf bag bah bai bao bar bas bau bba bbb bbc bbf bbg bbh bbi bbo bbr bbs bbu bca bcb bcc bcf bcg bch bci bco bcr bcs bcu bfa bfb bfc bff bfg bfh bfi bfo bfr bfs bfu bga bgb bgc bgf bgg bgh bgi bgo bgr bgs bgu bha bhb bhc bhf bhg bhh bhi bho bhr bhs bhu bi- bia bib bic bif big bih bii bio bir bis biu boa bob boc bof bog boh boi boo bor bos bou bra brb brf brg brh bri bro brr brs bru bsa bsb bsc bsf bsg bsh bsi bso bsr bss bsu bua bub buc buf bug buh bui buo bur bus buu c-- caa cab cac caf cag cah cai cao car cas cau cba cbb cbc cbf cbg cbh cbi cbo cbr cbs cbu cca ccb ccc ccf ccg cch cci cco ccr ccs ccu cfa cfb cfc cff cfg cfh cfi cfo cfr cfs cfu cga cgb cgc cgg cgh cgi cgo cgr cgs cgu ch- cha chb chc chf chg chh chi cho chr chs chu ci- cia cib cic cif cig cih cii cio cir cis ciu co- coa cob coc cof cog coh coi coo cor cos cou cra crb crc crf crg crh cri cro crr crs cru csa csb csc csf csg csh csi cso csr css csu cua cub cuc cuf cug cuh cui cuo cur cus cuu faa fab fac faf fag fah fai fao far fas fau fba fbb fbc fbf fbg fbh fbi fbo fbr fbs fbu fca fcb fcc fcf fcg fci fco fcr fcs fcu ffa ffc fff ffg ffh ffi ffo ffr ffs ffu fga fgb fgc fgf fgg fgh fgi fgr fgs fha fhb fhc fhf fhg fhh fhi fho fhr fhs fia fib fic fif fig fih fii fir fis fiu foa fob foc fof fog foh foi foo for fos fou fra frb frc frf frg frh fri fro frr frs fru fsa fsb fsc fsf fsg fsh fsi fso fsr fss fsu fua fub fuf fug fui fuo fur fus fuu gaa gab gac gaf gag gah gai gao gar gas gau gba gbc gbf gbg gbh gbi gbo gbr gbs gbu gca gcb gcc gcf gcg gch gci gco gcr gcs gcu gfa gfb gfc gff gfh gfi gfo gfr gfs gga ggb ggc ggg ggh ggi ggo ggr ggs ggu gha ghb ghc ghg ghh ghi gho ghr ghs gia gib gic gif gig gih gii gio gir gis giu goa gob goc gof gog goh goi goo gor gos gou gra grb grc grf grg grh gri gro grr grs gru gsa gsb gsc gsf gsg gsi gso gsr gss gsu gu- gua gub guc guf gug gui guo gur gus guu h-i haa hab hac haf hag hah hai hao har has hau hba hbb hbc hbf hbg hbh hbi hbo hbr hbs hbu hca hcb hcc hcf hcg hch hci hco hcr hcs hfa hfb hfc hff hfg hfh hfi hfo hfr hfs hfu hga hgb hgc hgf hgg hgh hgi hgo hgr hgs hgu hha hhb hhc hhf hhg hhh hhi hho hhr hhs hhu hia hib hic hif hig hih hii hio hir his hiu hoa hob hoc hof hog hoh hoi hoo hor hos hou hr- hra hrb hrc hrf hrg hrh hri hro hrr hrs hru hsa hsb hsc hsf hsg hsh hsi hsr hss hsu hua hub huc huf hug huh hui huo hur hus huu i-f ia- iaa iab iac iaf iag iah iai iao iar ias iau iba ibb ibc ibf ibg ibh ibi ibo ibr ibs ibu ica icb icc icf icg ich ici ico icr ics icu ifa ifb ifc iff ifg ifi ifo ifr ifs ifu iga igb igc igf igg igh igi igo igr igs igu iha ihb ihc ihf ihg ihh ihi iho ihr ihs ihu iia iib iic iif iih iii iio iir iis iiu io- ioa iob ioc iof iog ioh ioi ioo ior ios iou ir- ira irb irc irf irg iri iro irr irs iru is- isa isb isc isf isg ish isi iso isr iss isu iu- iua iub iuc iug iui iur ius o-i oaa oab oac oaf oag oah oai oao oar oas oau ob- oba obb obc obf obg obh obi obo obr obs obu oc- oca ocb occ ocf ocg och oci oco ocr ocs ocu of- ofa ofb ofc off ofg ofi ofo ofr ofs ofu oga ogc ogf ogg ogh ogi ogo ogs oha ohc ohf ohg ohh ohi oho ohr ohs ohu oia oib oic oif oii oio oir ois oiu oo- ooa oob ooc oof oog ooh ooi ooo oor oos or- ora orb orc orf org orh ori oro orr ors oru os- osa osb osc osf osg osh osi oso osr oss osu ou- oua ouc ouf ouh oui ouo our ous ra- raa rab rac raf rag rah rai rao rar ras rau rba rbb rbc rbf rbg rbh rbi rbo rbr rbs rbu rca rcb rcc rcf rcg rch rci rco rcr rcs rcu rfa