-ic a-a a-b a-c a-i aaa aab aac aag aah aai aao aar aas aau aay ab- aba abb abc abg abh abi abo abr abs abu aby ac- aca acb acc acg ach aci aco acr acs acu acy ag- aga agb agc agg agh agi ago agr ags agu agy aha ahb ahc ahg ahh ahi aho ahr ahs ahu ahy ai- aia aib aic aig aih aii aio air ais aiu aiy aoa aob aoc aog aoh aoi aoo aor aos aou ar- ara arb arc arg arh ari aro arr ars aru ary as- asa asb asc asg ash asi aso asr ass asu asy au- aua aub auc aug auh aui auo aur aus ay- aya ayc ayh ayi ayo ayr ays ayu b-u baa bab bac bag bah bai bao bar bas bau bay bba bbb bbc bbg bbh bbi bbo bbr bbs bbu bby bca bcb bcc bcg bch bci bco bcr bcs bcu bcy bga bgb bgc bgg bgh bgi bgo bgr bgs bgu bha bhb bhc bhg bhh bhi bho bhr bhs bhu bi- bia bib bic big bih bii bio bir bis biu biy boa bob boc bog boh boi boo bor bos bou boy bra brb brg brh bri bro brr brs bru bry bsa bsb bsc bsg bsh bsi bso bsr bss bsu bsy bua bub buc bug buh bui buo bur bus buu buy by- bya byc byg byh byi byo byr bys byu c-- caa cab cac cag cah cai cao car cas cau cay cba cbb cbc cbg cbh cbi cbo cbr cbs cbu cby cca ccb ccc ccg cch cci cco ccr ccs ccu cga cgb cgc cgg cgh cgi cgo cgr cgs cgu cgy ch- cha chb chc chg chh chi cho chr chs chu chy ci- cia cib cic cig cih cii cio cir cis ciu co- coa cob coc cog coh coi coo cor cos cou coy cra crb crc crg crh cri cro crr crs cru cry csa csb csc csg csh csi cso csr css csu csy cua cub cuc cug cuh cui cuo cur cus cuu cuy cya cyb cyc cyg cyo cyr cys gaa gab gac gag gah gai gao gar gas gau gay gba gbc gbg gbh gbi gbo gbr gbs gbu gby gca gcb gcc gcg gch gci gco gcr gcs gcu gga ggb ggc ggg ggh ggi ggo ggr ggs ggu gha ghb ghc ghg ghh ghi gho ghr ghs gia gib gic gig gih gii gio gir gis giu giy goa gob goc gog goh goi goo gor gos gou goy gra grb grc grg grh gri gro grr grs gru gry gsa gsb gsc gsg gsi gso gsr gss gsu gu- gua gub guc gug gui guo gur gus guu guy gy- gya gyb gyo gyr gys h-i haa hab hac hag hah hai hao har has hau hay hba hbb hbc hbg hbh hbi hbo hbr hbs hbu hby hca hcb hcc hcg hch hci hco hcr hcs hcy hga hgb hgc hgg hgh hgi hgo hgr hgs hgu hgy hha hhb hhc hhg hhh hhi hho hhr hhs hhu hhy hia hib hic hig hih hii hio hir his hiu hoa hob hoc hog hoh hoi hoo hor hos hou hoy hr- hra hrb hrc hrg hrh hri hro hrr hrs hru hsa hsb hsc hsg hsh hsi hsr hss hsu hsy hua hub huc hug huh hui huo hur hus huu huy hy- hya hyb hyc hyg hyh hyi hyo hyr hys hyy ia- iaa iab iac iag iah iai iao iar ias iau iba ibb ibc ibg ibh ibi ibo ibr ibs ibu iby ica icb icc icg ich ici ico icr ics icu icy iga igb igc igg igh igi igo igr igs igu igy iha ihb ihc ihg ihh ihi iho ihr ihs ihu ihy iia iib iic iih iii iio iir iis iiu io- ioa iob ioc iog ioh ioi ioo ior ios iou ir- ira irb irc irg iri iro irr irs iru iry is- isa isb isc isg ish isi iso isr iss isu isy iu- iua iub iuc iug iui iur ius iya iyc iyo iyr iys iyy o-i oaa oab oac oag oah oai oao oar oas oau ob- oba obb obc obg obh obi obo obr obs obu oby oc- oca ocb occ ocg och oci oco ocr ocs ocu oga ogc ogg ogh ogi ogo ogs ogy oha ohc ohg ohh ohi oho ohr ohs ohu oia oib oic oii oio oir ois oiu oo- ooa oob ooc oog ooh ooi ooo oor oos or- ora orb orc org orh ori oro orr ors oru ory os- osa osb osc osg osh osi oso osr oss osu ou- oua ouc ouh oui ouo our ous oya oyi oyo oys ra- raa rab rac rag rah rai rao rar ras rau ray rba rbb rbc rbg rbh rbi rbo rbr rbs rbu rca rcb rcc rcg rch rci rco rcr rcs rcu rga rgb rgc rgg rgh rgi rgo rgr rgs rh- rha rhb rhc rhg rhh rhi rho rhr rhs rhu ria rib ric rig rih rii rio rir ris riy roa rob roc rog roh roi roo ror ros rou roy rra rrb rrc rrg rrh rri rrr rrs rru rsa rsb rsc rsg rsh rsi rso rsr rss rsu rua rub ruc rug ruh rui ruo rur rus ruu ruy ry- rya ryc ryg ryo ryr rys ryu ryy saa sab sac sag sah sai sao sar sas sau say sba sbb sbc sbg sbh sbi sbo sbr sbs sbu sby sca scb scc scg sch sci sco scr scs scu sga sgb sgc sgg sgh sgi sgo sgr sgs sgu sh- sha shb shc shg shh shi sho shr shs shu shy sia sib sic sig sih sii sio sir sis siu soa sob soc sog soh soi soo sor sos sou soy sr- sra srb